fortinet vulnerabilities
Recent CVEs affecting fortinet products. 11 tracked.
fortinet has 11 tracked vulnerabilities, 3 critical and 4 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 11. Most recent: 2026-10-01. Highest priority: CVE-2024-21762 (score 100/100).
- CVE-2026-26035 CRITICAL 9.8 UPGRADE An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, For
- CVE-2026-70465 HIGH 8.1 UPGRADE A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClient
- CVE-2026-70468 HIGH 8.1 UPGRADE UPGRADE A authentication bypass using an alternate path or channel vulnerability in Fortinet FortiManager 7.6.1, Forti
- CVE-2026-71407 MEDIUM 5.6 UPGRADE A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 ma
- CVE-2026-71408 MEDIUM 5.3 UPGRADE A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6,
- CVE-2026-70466 MEDIUM 5.3 UPGRADE A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0
- CVE-2026-70467 LOW 3.8 UPGRADE A server-side request forgery (ssrf) vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4.0 through 7.4.2,
- CVE-2024-21762 CRITICAL 9.8 EXPLOITED UPGRADE UPGRADE Fortinet FortiOS Out-of-Bound Write Vulnerability
- CVE-2025-61624 MEDIUM 6.0 EXPLOITED UPGRADE UPGRADE Fortinet Multiple Products Path Traversal Vulnerability
- CVE-2026-104286 CRITICAL 9.8 EXPLOITED UPGRADE Fortinet FortiMail Path Traversal Vulnerability
- CVE-2025-25249 HIGH 8.1 EXPLOITED UPGRADE UPGRADE Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
FAQ
How do I fix fortinet vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is fortinet being exploited right now?
Yes: 4 fortinet CVEs are on the CISA Known Exploited Vulnerabilities list, so patch those first.
Which fortinet CVE should I patch first?
CVE-2024-21762 currently ranks highest (100/100): Fortinet FortiOS Out-of-Bound Write Vulnerability.