Hunt.io links a UK council attack to mass exploitation of SonicWall SMA1000 flaw CVE-2026-15409 (CVSS 10.0), enabling credential and Active Directory theft.
Hunt.io links, with moderate confidence, the July 17, 2026 attack on the Borough Council of King's Lynn and West Norfolk to mass exploitation of SonicWall SMA1000 appliances via CVE-2026-15409, an unauthenticated SSRF in the WorkPlace portal WebSocket proxy with CVSS 10.0. The operator adapted Rapid7's July 15 PoC into a 50-thread mass scanner within days and stole LDAP credentials for 534 Active Directory accounts across 160 domains, with nine environments losing SAM/LSA secrets and five losing full AD databases via DCSync. CISA added the flaw to its Known Exploited Vulnerabilities catalog and noted use in ransomware campaigns; targeting of ~200,000 Shodan-derived SonicWall addresses spanned government, healthcare, finance, universities, and manufacturing worldwide.
Canada's Cyber Centre warns of three exploited MikroTik RouterOS vulnerabilities affecting SSH-exposed devices; CISA added two to its KEV catalog.
The Canadian Centre for Cyber Security issued alert AL26-020 for three MikroTik RouterOS vulnerabilities, especially on devices exposing SSH to the internet: CVE-2026-67277 (missing authentication, CWE-306, enabling sensitive information disclosure), CVE-2026-86060 (argument injection, CWE-88, enabling privilege escalation), and CVE-2026-67276 (improper cryptographic signature verification, CWE-347, allowing SSH command channel access without the private key). On September 10, 2026, CISA added CVE-2026-67277 and CVE-2026-86060 to its Known Exploited Vulnerabilities catalog. Fixed versions include RouterOS 6.49.21, 7.23.4 (Long-Term), 7.24.2 (Stable), and 7.25 beta 3.
MikroTik patches six RouterOS flaws; two chained as MikroTrick are actively exploited via SSH to fully compromise exposed routers.
MikroTik released patches for six RouterOS vulnerabilities, including actively exploited MikroTrick chain: CVE-2026-67276 (9.2, SSH auth bypass) and CVE-2026-86060 (9.2, privilege manipulation), plus CVE-2026-67277 (8.8). CERT Poland confirms exploitation since September 2, creating an 'ops' account from IPs 82.192.72.4 and 103.102.31.18. Fixed in RouterOS 7.25beta3, 7.24.2, 7.23.4, and 6.49.21; Shadowserver found 120,000+ SSH-exposed MikroTik devices.
Attackers actively exploit chained MikroTik RouterOS SSH flaws CVE-2026-67276 and CVE-2026-86060, bypassing authentication and escalating to admin to seize edge routers.
CERT Polska warns of active exploitation of a two-flaw chain dubbed 'MikroTrick' against internet-exposed MikroTik RouterOS devices with SSH remote management enabled. CVE-2026-67276 is an SSH authentication bypass in RSA public-key handling, and CVE-2026-86060 is a privilege-escalation flaw triggered via a specially crafted username, letting attackers gain full administrator control without a password. Patched RouterOS packages are already public, and MikroTik added a startup detection that flags unauthorized configuration changes. Compromised edge routers enable DNS hijacking, traffic capture, remote-access tunnels, firewall changes, and lateral attacks.
Google patched an actively exploited Chrome V8 type confusion zero-day, CVE-2026-85046 (CVSS 8.8), the sixth exploited Chrome zero-day of 2026. CERT Polska warned of the MikroTrick exploit chain (CVE-2026-67276 and CVE-2026-86060, CVSS 9.2) giving unauthenticated full control of MikroTik RouterOS devices via SSH, observed since September 2. Sansec disclosed the StyleSmuggler Magento/Adobe Commerce zero-day used since September 4 to inject a Rust backdoor into online stores, while N-able patched three critical N-central flaws (CVE-2026-86206, CVE-2026-86207, and CVE-2026-86218, CVSS 10.0) with Huntress observing likely exploitation. Elastic and Morphisec also detailed RevStealer, an information stealer spread via game cheats and a fake Claude Desktop app.
Attackers actively exploit a MikroTik RouterOS SSH authentication bypass and privilege escalation chain, dubbed MikroTrick, to fully hijack internet-exposed routers.
Poland's CERT, with help from GPT-5.5-cyber and GPT-5.6-sol, discovered and confirmed active exploitation of a MikroTik RouterOS chain dubbed MikroTrick: SSH authentication bypass CVE-2026-67276 (incomplete RSA public key validation) chained with privilege escalation CVE-2026-86060 (crafted usernames granting full administrative privileges). A third flaw, CVE-2026-67277, allows unauthenticated kernel memory leaks or router crashes via the bandwidth-test service. Fixes shipped September 3 in RouterOS 7.25beta3, 7.24.2, 7.23.4, and 6.49.21, adding a startup compromise-detection mechanism. Shadowserver data showed 122,500 MikroTik devices with exposed SSH interfaces as of September 5, and the CERT published IoCs including two attacker IP addresses.
CERT Polska confirms attackers exploit chained MikroTik RouterOS SSH flaws to hijack devices without authentication; patches released in four RouterOS versions.
CERT Polska discovered six RouterOS vulnerabilities and confirmed active attacks chaining CVE-2026-67276 (CVSS 9.2, SSH authentication bypass caused by comparing only RSA key moduli) and CVE-2026-86060 (CVSS 9.2, privilege escalation via crafted usernames), dubbed MikroTrick. A third flaw, CVE-2026-67277 (CVSS 8.8) in the bandwidth-test service, can expose kernel memory or crash devices. Shadowserver counted about 122,500 MikroTik devices with SSH exposed; attackers created a privileged 'ops' account from IP 82.192.72.4, active since September 2. Fixes shipped in RouterOS 7.25beta3, 7.24.2, 7.23.4, and 6.49.21, adding startup configuration scanning with a 'Flagged' marker for unauthorized changes.
MikroTik RouterOS SSH auth-bypass chain MikroTrick (CVE-2026-67276 plus CVE-2026-86060) is actively exploited; patch to 7.24.2/7.23.5/6.49.21.
Attackers are actively exploiting a chain dubbed MikroTrick that combines CVE-2026-67276 (CVSS 9.2), an SSH authentication bypass in RouterOS RSA public key verification, and CVE-2026-86060, an SSH session privilege escalation, giving full admin control of internet-exposed MikroTik devices without the private key. Exploitation began around September 2, 2026, a day before MikroTik's September 3 patches, with confirmed compromises including creation of an 'ops' account; attacks traced to IPs 82.192.72.4 (Leaseweb) and 103.102.31.18. Fixed versions include 7.25beta3, 7.24.2, 7.23.4, 7.23.5 and 6.49.21. Defenders should check logs for failed logins with username '-2' and inspect /system history for ssh:-2@<IP> entries attached to configuration changes.
CERT Polska warns attackers exploit internet-exposed MikroTik SSH for unauthenticated full admin control; attacks observed since at least September 2.
CERT Polska warned on September 5 that attackers exploit MikroTik routers with internet-reachable SSH to gain full administrative control without authentication, calling the two-flaw combination 'MikroTrick'. Successful attacks date to at least September 2; no victim count or attacker identity was disclosed. MikroTik shipped fixed RouterOS releases: 6.49.21, 7.23.4 (with 7.23.5 fixing an IPv6 DHCP regression), 7.24.2, and 7.25beta3. CERT recommends immediate updates, checking for unauthorized configuration changes, and restricting SSH, WWW/WWW-SSL, and bandwidth-test services on unpatched devices.
EU NIS2 enforcement deadlines approach; organizations are urged to prioritize service account inventory, lifecycle offboarding, and phishing-resistant MFA before audits.
EU member states are moving from NIS2 transposition into enforcement, with fines up to 10 million euros or 2% of global turnover for essential entities and personal liability for management bodies. The article argues access management is the fastest high-ROI starting point, estimating 2-4 weeks to enforce fine-grained password policy, vault shared credentials, and deploy phishing-resistant MFA versus 6-12 months for supply chain risk management. It flags three common pre-audit failures: unmanaged service accounts and API keys, dormant accounts from broken offboarding, and SMS OTP instead of phishing-resistant MFA under NIST SP 800-63B. The piece promotes Passwork as a single control plane for credential storage, RBAC, and WebAuthn.
Meta announces expanded anti-scam protections in Poland, citing rising fraud across dating apps, crypto platforms, online games and SMS messaging.
Meta says it is investing in new technologies and partnerships to better detect and fight scam content across its platforms in Poland. The company notes scam activity spans social platforms, dating apps, online games, cryptocurrency services and SMS messages. It also claims a recent campaign is distorting the picture of Meta's actions and motivations.
CERT Polska and CISA report active exploitation of Zimbra RCE CVE-2026-73570, with 267 instances compromised per Shadowserver.
CVE-2026-73570 (CVSS 8.9) enables unauthenticated command injection and remote code execution in Zimbra Collaboration before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled, via crafted SMTP requests. CISA added the flaw to its KEV catalog on August 21, 2026, with a federal patch deadline of August 24. The Shadowserver Foundation counted 267 compromised instances as of August 24, 2026, led by the US (46), Sweden (21), France (20) and Germany (17). Separately, Russia-linked Laundry Bear has weaponized Zimbra stored XSS CVE-2025-66376 against Western government and commercial mail servers since at least July 2025, delivering the ZimReaper payload.
CISA added actively exploited Zimbra flaw CVE-2026-73570 (unauthenticated OS command injection RCE) to its KEV catalog, setting an August 24, 2026 federal patch deadline.
CISA added CVE-2026-73570, an unauthenticated OS command injection flaw in Zimbra Collaboration Suite, to its Known Exploited Vulnerabilities catalog after CERT Polska confirmed active exploitation. The flaw lets attackers execute shell commands as the zimbra user via the snmp_notify parameter when the SNMP trap service is enabled and the default swatchdog service is running. Zimbra patched the issue in version 10.1.20 released July 20, 2026, 28 days before exploitation was confirmed. Under BOD 22-01, federal civilian agencies must patch by August 24, 2026.
CERT Polska confirms active exploitation of critical unauthenticated RCE CVE-2026-73570 in Zimbra Collaboration Suite, patched July 20.
CERT Polska confirmed threat actors are actively exploiting CVE-2026-73570, an unauthenticated OS command injection in Zimbra Collaboration Suite allowing arbitrary shell commands as the zimbra user. Exploitation requires the SNMP trap service via snmp_notify with swatchdog running, which is enabled by default; Shadowserver tracks over 12,100 internet-exposed Zimbra servers. Zimbra fixed the flaw in version 10.1.20 on July 20, 2026, 28 days before exploitation was confirmed. Historical Zimbra targeting includes Winter Vivern, APT29, and APT28 campaigns.
Poland investigates a breach at healthcare software firm MyDr potentially exposing data of nearly 19 million people and over 12,000 medical facilities.
Polish healthcare software provider MyDr disclosed a cyberattack that may have exposed personal and medical data belonging to nearly 19 million people and more than 12,000 medical facilities. Hackers obtained unauthorized access to historical data held through April 2024, but the company has found no evidence the data has been published. As a precaution, Poland's e-Health Center is replacing digital certificates used by medical systems to connect to the national P1 e-health platform. The Personal Data Protection Office plans to inspect MyDr and security agencies are working to identify those responsible; no threat actor has been attributed.
Unit 42 maps banking-trojan distribution networks: spam botnets push Shiotob downloaders and Ursnif, KINS, Tinba at Japan and European targets via compromised web servers.
Unit 42 identified the distribution networks behind banking trojan attacks against Japan, Italy, Spain, Poland, Australia, and Germany. A spam botnet delivered 75 unique Shiotob (Bebloh/URLZone) variants across 7 million spam emails, with Shiotob acting mainly as a downloader that installs Ursnif and the Pushdo spam bot from C2 commands. Over 200 malicious files were hosted on 74 compromised, mostly European small-business web servers between April 2015 and January 2017, with localized invoice and photo-themed email lures per target country.
Group-IB details WindRelay, a new Android NFC relay malware paired with SpyNote RAT to relay card data live for contactless payment fraud and loans.
Group-IB identified WindRelay, a previously unseen Android near-field-communication relay malware first seen in the wild in late August 2025, deployed alongside the SpyNote RAT in a contactless payment fraud scheme. Victims are lured via personalized phishing, smishing, or vishing into sideloading an app; SpyNote's Accessibility access silently installs WindRelay, whose reader component captures live EMV APDU card data over NFC and relays it via WebSocket C2 to an emulator component at a payment terminal. The scheme enables dual monetization: RAT-driven remote access to take out digital loans and NFC relay for physical card-present cashouts, known as Ghost Tap. Twenty-three WindRelay samples uploaded to VirusTotal between November 2025 and July 2026 impersonate financial institutions in Czechia, Slovakia, and Slovenia, with the technique also spreading to Brazil and Poland.
CERT.PL disclosed that Russian-linked hackers accessed a Polish combined heat and power plant's OT network through a private APN in 2025.
Poland's CERT (CERT.PL) released details of a 2025 attack on a Polish combined heat and power plant. Russian-linked hackers accessed the plant's OT network through a private APN. The disclosure adds to a series of intrusions against Polish critical infrastructure attributed to Russian-linked actors.
Microsoft reports DeadLock ransomware using Polygon smart contracts and Session messaging for extortion infrastructure, claiming 96 victims across Europe and the U.S.
Microsoft Threat Intelligence reports the DeadLock ransomware operation uses the Session messaging network and Polygon blockchain smart contracts to host victim chat, proxy server addresses, and its data leak blog, making takedowns harder. First detected in July 2025, the group has claimed 96 victims, mostly in Italy, Spain, Poland, Türkiye, and the U.S., with deployments by affiliates of Lynx and INC ransomware. The encryptor uses Curve25519 with XChaCha20, drops an interactive HTML recovery chat application, geofences CIS-linked countries, and clears logs and shadow copies to evade forensics.
Argument-Injection Flaw in MikroTik RouterOS SSH Login Enables Privilege Escalation
CVE-2026-86060 is an argument-injection flaw (CWE-88) in MikroTik RouterOS's SSH login path: when a login supplies a username beginning with a prohibited character, the RouterOS login helper mishandles the argument, allowing the trusted RouterOS policy mask to be changed and privileges to be escalated. An unauthenticated attacker only needs the ability to reach the router's SSH service, since exploitation happens during the SSH login process itself. By altering the policy mask the attacker gains elevated rights on the device, and news reports indicate attackers have used this technique — including logins with usernames such as '-2' — as part of chains that take over routers without needing a password. Any RouterOS deployment running versions before the fixes (6.49.21 Long-term, 7.23.4 Long-term, 7.24.2 Stable) with SSH enabled or reachable is affected, with internet-exposed SSH at highest risk. Multiple outlets report the RouterOS flaws are being actively exploited in the wild, although no public proof-of-concept is known and the flaw is not yet in CISA KEV.
· MikroTik RouterOS v6 (Long-term channel) versions prior to 6.49.21 (fixed in 6.49.21) · MikroTik RouterOS v7 (Long-term channel) versions prior to 7.23.4 (fixed in 7.23.4) KEV PoC ×2mass
SSH RSA Authorized-Key Bypass in MikroTik RouterOS 7.x
MikroTik RouterOS 7.x fails to compare the complete RSA public key when matching an SSH authentication attempt against an authorized user key, checking the key type and modulus but omitting the exponent. Because RouterOS verifies the signature against the client-supplied key, an attacker who knows the modulus of an authorized RSA key can present a key with exponent 1 and a forged signature and be accepted as that user without possessing the private key. Successful exploitation opens an SSH command channel as the target user, giving the attacker control of the router without a password or key. Only the RouterOS 7.x branch is affected, with fixes released in 7.23.4 (Long-term) and 7.24.2 (Stable). A public proof-of-concept is available and related reporting describes active campaigns hijacking MikroTik routers using chained RouterOS flaws, though this CVE is not in CISA KEV and its 30-day EPSS probability is low (0.2%).
· MikroTik RouterOS 7.x branch prior to 7.23.4 (Long-term) and 7.24.2 (Stable)mass
Unauthenticated Kernel Crash and Memory Leak in MikroTik RouterOS btest
CVE-2026-67277 is a missing-authentication flaw (CWE-306) in the bandwidth-test (btest) service of MikroTik RouterOS: the service accepts a "related" btest connection before the primary session has completed authentication, so an unauthenticated remote client can start an IPv4 UDP bandwidth test. When the test runs with "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer, leaking a small amount of kernel memory, and a separate unchecked, inverted packet-size interval causes an unsigned integer underflow that produces anomalously large fragmented output capable of restarting the RouterOS kernel. An unauthenticated network attacker therefore gains limited information disclosure and, more significantly, a remote denial of service through repeated router crashes, with no credentials or user interaction required (CVSS 4.0: 8.8 High). Any MikroTik device running an unpatched RouterOS version with the bandwidth-test server enabled and reachable from an untrusted network is affected. No public PoC or CISA KEV listing exists for this CVE and EPSS is low (0.4%), but it is part of the batch of RouterOS fixes in MikroTik advisory AV26-887 that attackers have recently chained to hijack routers, so in-the-wild exploitation of the flaw set is reported.
· MikroTik RouterOS (Long-term channel, v6) All versions prior to 6.49.21 (fixed in 6.49.21) · MikroTik RouterOS (Long-term channel, v7) All versions prior to 7.23.4 (fixed in 7.23.4) KEV PoC mass
Unauthenticated OS Command Injection RCE in Synacor Zimbra Collaboration Suite
CVE-2026-73570 is an OS command injection vulnerability (CWE-78) in Synacor Zimbra Collaboration Suite (ZCS) before 10.1.20, caused by improper sanitization of untrusted input during SNMP notification processing. It is triggered when the optional zimbra-snmp package is installed and SNMP notifications are enabled: an unauthenticated attacker sends specially crafted SMTP requests that the flawed notification path turns into execution of arbitrary operating system commands. Successful exploitation runs commands as the Zimbra user, giving attackers control of the mail server's service account with high confidentiality and integrity impact across the host. Only ZCS deployments running the optional SNMP component with notifications enabled are vulnerable; other Zimbra installs are not exposed to this specific flaw. The flaw is under active exploitation: CISA added it to the KEV catalog on 2026-08-21, Poland's CERT has warned of in-the-wild attacks, unpatched Zimbra servers are reported compromised, and two public proof-of-concept exploits exist.
· Synacor Zimbra Collaboration Suite (ZCS) before 10.1.20 (when the optional zimbra-snmp package is installed and SNMP notifications are enabled) KEV PoC ×4large
Unauthenticated Arbitrary File Read in MikroTik RouterOS WebFig (CVE-2026-67281)
RouterOS WebFig's /jsproxy handler contains an unauthenticated file-read flaw: a newly allocated session keeps a stale, uninitialized principal pointer that is later used to authorize file access (CWE-824), combined with a path-traversal issue (CWE-22). An unauthenticated attacker who can reach the web interface first shapes the heap allocator so the uninitialized pointer resolves with sufficient rights, then submits an encrypted URI containing parent-directory components to escape the WebFig file namespace. This lets the attacker read root-owned files on the router, including configuration stores that contain credentials, which could enable further compromise. Only MikroTik RouterOS 7.x before 7.23.4 (Long-term) and 7.24.2 (Stable) is affected. No public proof-of-concept, KEV listing, or confirmed in-the-wild exploitation of this flaw is known (EPSS ~0.4%), although recent reporting notes MikroTik patches being chained in router-hijack campaigns generally.
· MikroTik RouterOS (WebFig /jsproxy) 7.x branch prior to 7.23.4 (Long-term) and 7.24.2 (Stable); fixed in 7.23.4 and 7.24.2mass
Unauthenticated SSH Session Bypass Enables File Writes in MikroTik RouterOS
CVE-2026-67279 is an authentication-ordering flaw (CWE-841) in the SSH server of MikroTik RouterOS: after a client-requested SSH rekey, the server enters the connection protocol even though user authentication was never attempted. An unauthenticated SSH client can therefore open a session channel and send an exec request, and on affected builds the server dispatches the command without any credentials. This lets the attacker create, overwrite, and reconstruct files in the RouterOS managed file namespace, including support files that contain configuration and diagnostic data. Any MikroTik device running RouterOS builds older than the fixed releases is affected, although remote exploitation requires the SSH service to be reachable by the attacker. No public proof-of-concept is known, the issue is not in CISA's KEV catalog, and EPSS estimates a 0.4% probability of exploitation in the next 30 days, so no exploitation is currently known.
· MikroTik RouterOS (Long-term branch, v6) prior to 6.49.21 · MikroTik RouterOS (Long-term branch, v7) prior to 7.23.4mass
X.509 Signature Forgery Enables TLS Impersonation in MikroTik RouterOS 7.x
MikroTik RouterOS 7.x improperly verifies RSA/PKCS#1 v1.5 signatures when validating X.509 certificate chains, accepting malformed signatures (CWE-347, Improper Verification of Cryptographic Signature). Because the RouterOS trust store includes a root CA whose public key uses the small exponent e=3, an attacker who can control or redirect one of the router's outbound TLS connections (for example via a network man-in-the-middle position, DNS hijacking, or a compromised upstream path) can forge an intermediate CA signed with the root's public key, without ever holding its private key, and mint trusted certificates for arbitrary hostnames. This lets the attacker impersonate TLS servers the router connects to, with low confidentiality and integrity impact per the CVSS 4.0 score of 6.3 (medium), which reflects the network vector, no privileges required, but a high attack requirement of holding such a network position. Any deployment running RouterOS 7.x before 7.23.4 (Long-term) or 7.24.2 (Stable) is affected, spanning home/SOHO, enterprise, and ISP/WISP infrastructure; the 6.x branch is not listed as affected. No public proof-of-concept is known, the issue is not in CISA's KEV, and EPSS gives a 0.2% probability of exploitation within 30 days, although related headlines note other MikroTik flaws have recently been chained to hack routers.
· MikroTik RouterOS 7.x before 7.23.4 (Long-term) and before 7.24.2 (Stable); the 6.x branch is not affectedmass
Unauthenticated SSRF in SonicWall SMA1000 Appliances
CVE-2026-15409 is a server-side request forgery (SSRF, CWE-918) in the Appliance Work Place interface of SonicWall SMA1000 series appliances. A remote, unauthenticated attacker can trigger the flaw over the network, causing the appliance to issue requests to attacker-influenced or unintended internal locations. Because the CVSS vector scores scope-changed impacts on confidentiality, integrity, and availability, the SSRF is assessed as capable of reaching sensitive internal services, and reporting indicates it is being used alongside a second SMA1000 zero-day in what may be an exploitation chain. Affected organizations are those running SMA1000 appliances, including SMA 6210, SMA 7210, and SMA 8200v models, which typically act as internet-facing remote-access/VPN gateways. Exploitation is confirmed in the wild: the flaw was added to CISA's KEV on 2026-07-14, ransomware use is known, and EPSS assigns an 83.7% probability of exploitation within 30 days, though no public PoC is available.
Actively Exploited V8 Type Confusion in Google Chrome (CVE-2026-85046)
Google Chrome versions prior to 152.0.7977.82 contain a type confusion flaw (CWE-843) in the V8 JavaScript engine, which mishandles object types during engine operations (public proof-of-concept writeups indicate it is reachable through array sorting and WebAssembly-related code paths). A remote attacker triggers the flaw simply by getting a user to open a crafted HTML page, with no privileges or authentication required. Successful exploitation lets the attacker execute arbitrary code inside the browser's sandbox, and public reporting shows it being chained with Windows zero-days (the 'BlueMoon' exploit kit) by Chinese espionage groups for broader compromise. Any user of an unpatched Chrome or another build embedding the affected V8 engine is exposed. The vulnerability is a zero-day that was actively exploited in the wild before patching, was added to CISA's KEV on 2026-09-04, and has five public proof-of-concept references.
· Google Chrome prior to 152.0.7977.82 · Google Chromium V8 V8 engine versions bundled with Chrome prior to 152.0.7977.82 KEV PoC ×5mass
Stored Cross-Site Scripting in Synacor Zimbra Collaboration Suite Classic UI
Zimbra Collaboration Suite (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 is vulnerable to stored cross-site scripting through its Classic webmail interface. An attacker sends an HTML e-mail containing a Cascading Style Sheets (CSS) @import directive, and when a recipient opens that message in Classic UI, the injected content executes as script in the victim's browser session. Successful exploitation lets an attacker run arbitrary JavaScript in the Zimbra webmail context, potentially hijacking the session, reading mail, or acting as the user, consistent with the cross-scope impact reflected in the 6.1 CVSS score. Only deployments running the affected ZCS 10/10.1 versions with the Classic UI enabled are exposed; organizations on patched releases or not using Classic UI are not impacted. CISA added the flaw to the Known Exploited Vulnerabilities catalog on 2026-03-18, confirming exploitation in the wild, and recent reporting describes Zimbra flaws being used by Russian-aligned espionage actors against Western and Ukrainian targets.
· Synacor Zimbra Collaboration Suite (ZCS) 10 10.x before 10.0.18 · Synacor Zimbra Collaboration Suite (ZCS) 10.1 10.1.x before 10.1.13 KEVlarge
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