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CISA adds five vulnerabilities in Juniper devices to its Known Exploited Vulnerabilities catalog
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U.S. CISA adds Palo Alto Expedition, Android, CyberPanel and Nostromo nhttpd bugs to its Known Exploited Vulnerabilities catalog
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September 2025 CVE Landscape
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2026-009: Critical Vulnerabilities in Microsoft SharePoint
WatchTowr observed active exploitation of SharePoint RCE CVE-2026-50522 (CVSS 9.8), part of an ongoing wave of exploited on-prem SharePoint flaws patched by Microsoft.
On 14 July 2026 Microsoft released updates for critical SharePoint Server RCE flaws, including CVE-2026-50522 (CVSS 9.8), a deserialisation vulnerability possibly exploitable without authentication. On 20 July 2026 WatchTowr published PoC exploit code and observed active exploitation of CVE-2026-50522, prompting CISA to urge SharePoint hardening. The advisory also covers recently fixed SharePoint flaws: CVE-2026-32201 (6.5, spoofing), CVE-2026-45659 (8.8, authenticated RCE), CVE-2026-56164 (9.8, unauthenticated privilege escalation), and CVE-2026-58644 (9.8, unauthenticated RCE). Affected products include SharePoint Server Subscription Edition, 2019, and Enterprise Server 2016; CERT-EU recommends immediate patching, credential rotation, and compromise assessments.
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CVE-2026-81578 + CVE-2026-82078 | PaperCut NG/MF Authentication Bypass and Unsafe Dynamic Class Loading Vulnerabilities
Two chained PaperCut NG/MF flaws, CVE-2026-81578 and CVE-2026-82078, enable pre-auth RCE, with active exploitation confirmed in customer environments.
PaperCut NG/MF is affected by CVE-2026-81578, an improper access control flaw (CVSS 4.0 8.8) allowing unauthenticated configuration changes, and CVE-2026-82078, an unsafe dynamic class loading flaw (CVSS 4.0 9.4) enabling arbitrary Java bytecode execution. Chained, they yield pre-authentication remote code execution on the PaperCut Application Server. PaperCut confirmed active exploitation and customer incidents, and Huntress observed exploitation starting August 26, 2026. Emergency Patch Release 2 is available for NG/MF v24-v26, with IOCs including suspicious pc-app.exe child processes, truncated server.log files, and AnyDesk installs.
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Perfect-10 GitLab bug under attack days after patch lands
CISA confirms active exploitation of CVSS 10.0 GitLab path traversal flaw CVE-2026-85706 days after patches shipped, enabling unauthenticated arbitrary file reads.
CISA added CVE-2026-85706, a maximum-severity 10.0 CVSS path traversal flaw in GitLab's repository commits API, to its Known Exploited Vulnerabilities catalog and confirmed active exploitation. The bug allows unauthenticated attackers to read arbitrary files, including configuration data and credentials, from self-managed GitLab CE/EE servers via a single HTTP POST request. GitLab shipped fixes on September 10 in versions 19.3.2, 19.2.6, and 19.1.8, covering versions 18.7 through 19.3. watchTowr is observing probes against internet-facing instances and warns widespread exploitation is likely to follow quickly.
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Researcher Drops New Windows Zero-Day PoC Hours After Microsoft Patch Tuesday
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Firefox, Chrome, Adobe, and VMware Updates Fix Multiple Critical Security Flaws
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U.S. CISA adds SonicWall and Microsoft flaws to its Known Exploited Vulnerabilities catalog
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Microsoft Fixes AI, Cloud, and ERP Security Flaws; One Exploited in Active Attacks
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Largest Patch Tuesday since July includes two exploited in the wild, three critical vulnerabilities
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Juniper Networks Releases Urgent Junos OS Updates for High
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NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE
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