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CISA adds TP-Link, Apache, and Oracle bugs to its Known Exploited Vulnerabilities catalog
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U.S. CISA adds ASUS RT-AX55 devices, Craft CMS, and ConnectWise ScreenConnect flaws to its Known Exploited Vulnerabilities catalog
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U.S. CISA adds Zimbra Collaboration Suite (ZCS) flaw to its Known Exploited Vulnerabilities catalog
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.
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CVE-2026-34908, CVE-2026-34909, CVE-2026-34910: Ubiquiti UniFi OS ...
Ubiquiti UniFi OS flaws CVE-2026-34908, CVE-2026-34909, and CVE-2026-34910 were added to CISA's KEV, chaining auth bypass into command injection.
Ubiquiti UniFi OS vulnerabilities CVE-2026-34908, CVE-2026-34909, and CVE-2026-34910 were added to CISA's KEV catalog. CVE-2026-34908 (CVSS 10.0, CWE-284) is an unauthenticated improper access control flaw allowing unauthorized system changes, described as the initial entry point. It enables attackers to then leverage chained path traversal and command injection flaws for deeper compromise.
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Xiiaozet LK100W
CISA warns of three flaws, including OS command injection, in Xiiaozet LK100W devices before firmware 2.1.240 that allow attackers to take full control of the device.
CISA published ICS advisory ICSA-26-239-01 covering three vulnerabilities (CVE-2026-78037, CVE-2026-78239, CVE-2026-76943) in Xiiaozet LK100W devices running firmware below 2.1.240. The issues include OS command injection, missing authentication for critical functions, and authentication bypass via an alternate path, rated CVSS v3 9.8. Successful exploitation allows an attacker to take control of the device. The China-based vendor's equipment is deployed worldwide, including information technology critical infrastructure sectors.
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2026-008: Critical vulnerabilities in Ivanti Sentry
Ivanti patched Sentry: pre-auth OS command injection CVE-2026-10520 (CVSS 10) enables unauthenticated root RCE, and auth bypass CVE-2026-10523 (CVSS 9.9).
On 9 June 2026 Ivanti released an advisory fixing two critical flaws in Ivanti Sentry versions 10.5.1 and prior, 10.6.1 and prior, and 10.7.0 and prior. CVE-2026-10520 (CVSS 10.0) is an OS command injection allowing a remote unauthenticated attacker to achieve root-level RCE. CVE-2026-10523 (CVSS 9.9) is an authentication bypass letting an unauthenticated attacker create arbitrary administrative accounts and obtain full admin access. CERT-EU recommends updating appliances to fixed versions following Ivanti's guidance.
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SonicWall SMA 1000 appliances under attack via zero-day flaws
SonicWall confirms active exploitation of zero-day SSRF (CVE-2026-83548) and command injection (CVE-2026-83549) flaws in SMA 1000 remote access appliances.
SonicWall confirmed attackers are actively exploiting two previously undisclosed vulnerabilities in SMA 1000 SSL VPN appliances, affecting physical and virtual models 6210, 7210, and 8200v but not SMA 100 appliances or SonicWall firewalls. CVE-2026-83548 is a pre-authentication SSRF in the Appliance Work Place interface allowing remote unauthenticated attackers to gain unauthorized access to sensitive functionality, while CVE-2026-83549 is an OS command injection in the Appliance Management Console that can yield remote code execution under specific conditions for authenticated admins. The vendor urged immediate hotfix deployment, IoC review with technical support, and re-imaging or redeployment plus password and TOTP token resets on confirmed compromise. This is the latest in a series of zero-day attacks against SMA 1000 appliances following waves in late 2025 and June-July 2026.
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U.S. CISA adds SolarWinds Web Help Desk, Sangoma FreePBX, and GitLab flaws to its Known Exploited Vulnerabilities catalog
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Vulnerability Spotlight: Multiple vulnerabilities in OpenClinic’s GA web portal
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