Fortinet
Every ZeroDayFeed story on Fortinet — across breaches, zero-days, ransomware, patches, policy, and industry, newest first.
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Zero-Days & Exploits
FortiMail zero-day CVE-2026-104286 allows unauthenticated file writes; CISA's 3-day deadline has passed
Fortinet says CVE-2026-104286 has been exploited in the wild. The flaw is a CVSS 9.8 path traversal bug in FortiMail that lets unauthenticated attackers write arbitrary files. CISA's October 4 deadline for federal agencies has passed.
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Zero-Days & Exploits
CISA orders patching of exploited Fortinet path-traversal flaw tied to stealthy FortiGate implant at telecom
CISA added Fortinet's CVE-2025-61624 to its KEV catalog with an Oct 19 deadline and a forensic-triage requirement, as Palo Alto Networks links the flaw to a long-running telecom intrusion using a memory-resident FortiGate implant it calls PeerStitch.
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Zero-Days & Exploits
Chinese espionage group exploited BeyondTrust Remote Support zero-day since August; CISA deadline is today
BeyondTrust has patched CVE-2026-102764, a Remote Support authentication bypass that Mandiant says has been exploited since Aug. 29 by Armory Castle (formerly UNC5221). CISA's KEV deadline for federal agencies is Oct. 19.
