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CVE-2026-34908: Ubiquiti Networks UniFi OS Server access control ...

CVE-2026-34908, a CVSS 10.0 access-control bypass in Ubiquiti UniFi OS, was added to CISA's KEV catalog amid reported active exploitation.

CISA added CVE-2026-34908 to the Known Exploited Vulnerabilities catalog on June 23, 2026, with remediation due June 26 under BOD 26-04 guidance. The CVSS 10.0 improper access control flaw (CWE-284) in Ubiquiti UniFi OS allows unauthorized system changes without authentication. Multiple news reports referenced by the page describe the max-severity UniFi flaws being exploited in attacks, and an official patch is available.

Web discovery (articles for new exploits & KEV entries) · 8d agoExploit / PoC in the wildCVE-2026-34908

Weekly Cybersecurity Newsletter Bulletin – Microsoft 0-day, FortiOS, PAN-OS Flaw, Revolut Data Breach, and 20+ Stories

Weekly roundup: Microsoft patches 973 flaws including two actively exploited zero-days; FortiOS CAPWAP flaw deploys PivotC2 RAT; PAN-OS root RCE disclosed.

Microsoft's September 2026 Patch Tuesday fixed 973 vulnerabilities, including two zero-days under active exploitation: CVE-2026-85880 (Windows ALPC) and CVE-2026-81963 (Windows Update Stack), both elevation-of-privilege bugs. SOCRadar reported active exploitation of CVE-2025-25249 (CVSS 9.8) in FortiOS CAPWAP, deploying a Node.js RAT called PivotC2 that exfiltrates Exchange mailboxes to Wasabi cloud storage; 178 devices were compromised out of 30,000 scanned IPs, attributed to a Russian-speaking financially motivated group. Palo Alto disclosed CVE-2026-0310, a 9.2-rated buffer overflow enabling root code execution on PA-Series firewalls, and Fortinet disclosed CVE-2026-84393, a ZTNA certificate validation MITM flaw. Cyera also revealed CVE-2026-6471 ('PostGREShell'), a 12-year-old PostgreSQL logical-decoding flaw allowing code execution via REPLICATION-privileged accounts.

Cyber Security News · 2d agoExploit / PoC in the wildCVE-2026-85880CVE-2026-81963CVE-2025-25249+3 CVEs3

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.

Web discovery (articles for new exploits & KEV entries) · 14d agoExploit / PoC in the wildCVE-2026-34908CVE-2026-34909CVE-2026-34910