CVE-2026-44277

unknowncovered by 1 sourcefirst seen 2026-05-12

CVSSv3 Score: 9.1 An Improper Access Control vulnerability [CWE-284] in FortiAuthenticator may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests. Revised on 2026-05-12 00:00:00

CSIRTS triage

What: An Improper Access Control vulnerability may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
Who is affected: Deployments of FortiAuthenticator are affected.
Urgency: Remediation is urgent due to the high CVSS score of 9.1 indicating severe risk.
Action: Update to the latest version of FortiAuthenticator to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownImproper access control on API endpointsfortinet · 2026-05-12

External references

NVD record for CVE-2026-44277

CVE.org record

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