CVE-2026-39811

CVSS 4.4 MEDIUMEPSS 0.4%CWE-190

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.4EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow attacker to denial of service via <insert attack vector here>

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

Affected products

Fortinet · FortiWeb

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References

https://fortiguard.fortinet.com/psirt/FG-IR-26-108