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Critical Check Point Vulnerability Allows Remote Root Code Execution Without Authentication

Check Point patched CVE-2026-91843 (CVSS 9.8), an unauthenticated stack overflow enabling remote root code execution on Security Management and Log Servers.

Check Point issued a high-severity alert for CVE-2026-91843, a critical stack overflow (CVSS 9.8, solution sk1000155) in the unauthenticated login workflow of Security Management Server, Multi-Domain Security Management Server, Log Server, and Multi-Domain Log Server. Successful exploitation grants an unauthenticated remote attacker root-level code execution. Affected releases span R80 through R82.20 with Jumbo Hotfix takes at or below specified levels (e.g., R82.20 Take 44, R81.20 Take 166), with several older versions end of support. A LivePatch is available and offline urgent bundles (R81.20-R82.20 Takes 28-29) were released; Smart-1 Cloud is already protected.

Critical HPE Vulnerabilities Allow Remote Attackers to Achieve Complete System Compromise

HPE patched critical EdgeConnect SD-WAN flaws, including CVSS 9.8 unauthenticated API bypass and gateway RCE, enabling full system compromise.

HPE Security Bulletin HPESBNW05135 covers critical flaws in EdgeConnect SD-WAN Orchestrator and Gateways: CVE-2026-76669 and CVE-2026-76670 (CVSS 9.9 authorization bypass/privilege escalation), CVE-2026-76672 (CVSS 9.9, leaks third-party API tokens and credentials), CVE-2026-76673 (CVSS 9.8, unauthenticated Orchestrator API authentication bypass granting administrative privileges), and CVE-2026-76674 (CVSS 9.8, unauthenticated buffer overflow enabling arbitrary code execution on gateways). Fixes are available in ECOS 9.7.1.0/9.6.4.0/9.5.9.0/9.4.9.0 and Orchestrator 9.7.1/9.6.4/9.5.9/9.4.11 or later. HPE reported no public exploit code or active exploitation at publication and recommends isolating management interfaces on a dedicated VLAN.

The Apple Security Update Review for September 2026

Apple's September 2026 updates patch 45+ flaws, including a 9.8 Screen Sharing authentication bypass (CVE-2026-65400) already listed in CISA's KEV.

ZDI's review of Apple's September 2026 security updates catalogs dozens of CVEs across macOS, iOS, iPadOS, watchOS and other platforms. CVE-2026-65400 (CVSS 9.8) lets a network attacker authenticate to Screen Sharing Server without valid credentials and is flagged as KEV, while CVE-2026-65414 (CVSS 9.8) enables remote code execution via Bluetooth. The set also includes 8.8-rated memory corruption flaws in WebKit, WebRTC, CUPS, ImageIO and the kernel, plus sandbox escapes, privilege escalations to root, and arbitrary code execution via crafted files.

Jenkins Patches 20 Plugin Flaws Leading to RCE, XSS and Credential Theftnew

Jenkins patched 20 vulnerabilities across 13 plugins, including Groovy sandbox bypasses enabling remote code execution on CI/CD controllers.

Jenkins released security updates on September 16, 2026 for 20 vulnerabilities across 13 plugins, including nine fixes in the Script Security Plugin for Groovy sandbox bypasses. CVE-2026-92127 (classpath abuse) and CVE-2026-92128 (TOCTOU race on remote JAR loading) could allow arbitrary code execution in the controller JVM, exposing build secrets, credentials, and downstream deployment environments. Other flaws include stored XSS in the Warnings, Coverage, OWASP Dependency-Check and Gitee plugins, SSRF in the Gradle and Bitbucket plugins enabling credential capture, credential exposure via CVE-2026-92130, arbitrary file write via CVE-2026-92137, OAuth token theft, and an open redirect in the Keycloak Authentication Plugin. No exploitation is reported; fixes include Script Security Plugin 1422.v06869826dd9b_.

Oracle’s September patches put Fusion Middleware back in the hot seat

Oracle's September 2026 CPU ships 673 patches including six CVSS 10.0 flaws in Fusion Middleware and Hyperion, none exploited in the wild.

Oracle's September 2026 Critical Security Patch Update delivers 673 patches across 17 product families, led by E-Business Suite with 159 fixes and Fusion Middleware with 153. Six CVSS 10.0 vulnerabilities in Access Manager, Forms, Internet Directory, Platform Security for Java, WebLogic Server, and Hyperion are remotely exploitable without authentication, and Oracle reports none exploited in the wild. Now patching monthly, Oracle urged immediate deployment and warned that unsupported releases are not tested for these flaws.

Microsoft Releases Emergency Windows 11 Update Following Patch Tuesday Bugs

Microsoft issued emergency Windows 11 update KB5129195 to fix Patch Tuesday regressions and fully close the CVE-2026-62721 privilege escalation flaw.

Microsoft shipped out-of-band cumulative update KB5129195 for Windows 11 24H2 and 25H2 (builds 26100.9457 and 26200.9457) after the September 8 Patch Tuesday rollup, which addressed over 960 CVEs including two actively exploited flaws, broke Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB audio. The emergency release also strengthens the incomplete fix for CVE-2026-62721, an elevation-of-privilege flaw in the Windows User-Mode Power Service that could let a local attacker gain SYSTEM privileges. Companion patches cover Windows 11 26H1, Windows 10, and Windows Server. Some USB Audio Class 1.0 and AMD Radeon graphics issues remain unresolved.

Cyber Security News · 23h agoVulnerability in the wildCVE-2026-627211

VU#369093: MLflow dspy and statsmodels flavors bypass pickle deserialization control

CERT/CC warns MLflow's dspy and statsmodels flavors bypass the MLFLOW_ALLOW_PICKLE_DESERIALIZATION control, enabling remote code execution.

CERT/CC vulnerability note VU#369093 describes a flaw in MLflow 3.12.0 where the dspy flavor conditionally applies the pickle deserialization safety control based only on the model path's .pkl extension, while the statsmodels flavor skips the check entirely, permitting arbitrary code execution via malicious pickle payloads even when users disallow pickle. The statsmodels flavor is patched in versions 3.15.0 and later, but no dspy fix exists yet, so users should avoid loading models through that flavor. Exploitation requires write access to any location from which a user obtains MLflow models.

CERT/CC Vulnerability Notes · 13h agoVulnerability

CVE-2026-76646: Apache MyFaces: Denial of Service via Unbounded Request Parsing

Apache MyFaces fixes critical CVE-2026-76646, a remote denial-of-service flaw triggered by crafted request parameters across versions 2.2.0-4.1.3.

Apache MyFaces disclosed CVE-2026-76646, a critical denial-of-service vulnerability in which remote attackers can cause excessive resource consumption by supplying specially crafted request parameters. Affected versions span 2.2.0-2.2.15, 2.3.0-2.3.11, 3.0.0-3.0.3, 4.0.0-4.0.3, 4.1.0-4.1.3 and 2.3-next-*. The disclosure notes older versions may also be impacted.

Unbound: 1.26.1 addresses multiple CVE items

Unbound 1.26.1 fixes critical heap buffer overflow CVE-2026-81642 in DNSKEY digesting that may allow remote code execution.

NLnet Labs released Unbound 1.26.1 on September 16 as a security release fixing several vulnerabilities, most notably CVE-2026-81642, rated CRITICAL, a heap buffer overflow during DNSKEY digesting that can possibly lead to remote code execution. Unbound is a widely deployed DNS recursive resolver and validating resolver. Administrators should upgrade promptly.

oss-security · 15h agoVulnerabilityCVE-2026-81642

Critical WSO2 Vulnerability Allow Hackers to Gain Full Admin Access

WSO2 discloses CVE-2026-5430 (CVSS 10.0), an unauthenticated JWT authentication bypass allowing admin account takeover across its API management products.

WSO2 disclosed CVE-2026-5430, a critical authentication bypass (CVSS 10.0; 9.8 for single-tenant deployments) in advisory WSO2-2026-5328. The flaw stems from insecure JWT processing: tokens signed with unsupported algorithms bypass authentication checks, potentially granting unauthenticated attackers administrative access. Affected products include WSO2 API Control Plane 4.5.0-4.6.0, API Manager 4.1.0-4.6.0, Traffic Manager 4.5.0-4.6.0, and Universal Gateway 4.5.0-4.6.0. Fixes are available via update levels such as API Manager 4.6.0 update 21 or by migrating to unaffected releases.

Windows 11 KB5124008 Update Breaks Active Directory Domain Trust and Blocks User Logins

Microsoft's September Windows 11 cumulative update KB5124008 breaks Active Directory domain trust on domain-joined machines, blocking logins despite valid credentials.

Microsoft is investigating community reports that KB5124008, the September 8, 2026 cumulative update for Windows 11 24H2/25H2 (builds 26100.9445/26200.9445), breaks the AD secure channel, causing 'The user name or password is incorrect' errors on interactive logon. Admins reproduced the failure consistently and observed nltest error 1786 (ERROR_NO_TRUST_LSA_SECRET) plus domain controller Event 4625 with status 0xC000006D over NTLM. The problem is suspected in Machine Identity Isolation, a Credential Guard capability that moves machine-account secrets into virtualization-based security, and disabling it via registry value, Group Policy, or Intune baseline restored trust. The September 14 out-of-band update KB5129195 does not address the domain trust issue, and Microsoft's release notes do not list it as a known problem.

TP-Link Cameras 0-Day Vulnerabilities Allow Attackers to Spy on Users

Two zero-day flaws in TP-Link Tapo C200 cameras allowed authentication bypass and denial-of-service; fixed in firmware V5_1.4.6.

OPSWAT researchers Khoi Tran and Thai Do found CVE-2026-15315, an authentication bypass in the Tapo C200's local HTTPS interface that lets network-adjacent attackers replay an authentication value to gain administrator access, and CVE-2026-15316, an unauthenticated denial-of-service in the Wi-Fi onboarding process that crashes the camera's HTTPS service. TP-Link was notified on April 16, 2026, confirmed the flaws on July 10, and released patches on August 18, 2026 in firmware V5_1.4.6. Exploitation requires local network access but no valid account, existing session, or user interaction, exposing live feeds and stored recordings to surveillance risk.

Unauthenticated RCE Flaws Could Expose 200,000+ WordPress Sites to Takeover

Two unauthenticated CVSS 9.8 code-injection and PHP object injection flaws in The Events Calendar plugin expose 200,000+ WordPress sites to RCE and takeover.

Defiant identified two critical vulnerabilities in The Events Calendar WordPress plugin, which has over 600,000 active installations. CVE-2026-78159, unauthenticated code injection during single-event HTML processing, was patched in version 6.17.3.1 on August 25; CVE-2026-78006, unauthenticated PHP object injection via event comments, was patched in 6.17.4.1 on September 10. Both independent chains lead to remote code execution and full site compromise. Roughly 240,000 sites run versions vulnerable to both flaws, and about 300,000 downloads between September 10 and 14 suggest half of installations may still lack the second fix.