src_636032c91a0b4c9a97
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Oct 02, 2026 05:49 UTC
- Retrieved
- Oct 08, 2026 03:52 UTC
Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added a critical security flaw impacting Fortinet FortiMail to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerability, tracked as CVE-2026-104286 (CVSS score: 9.8), allows unauthenticated attackers to write arbitrary files on the underlying system. "An improper
Reference details
- Source category
- Research & news
- Report title
Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes- First reported
- Oct 02, 2026 05:49 UTC
- Last reported
- Oct 02, 2026 05:49 UTC
- Catalog updated
- Oct 08, 2026 03:52 UTC
- Record ID
6b02d3cc7d8e0db39856531adbac7e21edb9cc2a4015927e7f1016e6a988661d
CVEs mentioned by sources
Published indicators
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Source observations
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Feed collection status
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1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_636032c91a0b4c9a97Collection status unverifiedLast successful batch: Unverified
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