{"affected":[{"defaultStatus":"unaffected","product":"FortiAuthenticator","source":"CNA: fortinet","vendor":"Fortinet","versions":[{"lessThanOrEqual":"8.0.3","status":"affected","version":"8.0.0","versionType":"semver"},{"lessThanOrEqual":"6.6.10","status":"affected","version":"6.6.0","versionType":"semver"},{"lessThanOrEqual":"6.5.7","status":"affected","version":"6.5.0","versionType":"semver"}]}],"cveId":"CVE-2026-121526","cwes":["CWE-601"],"description":"A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.8,"severity":"medium","source":"CNA: fortinet","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794432709831,"publishedAt":1794432709831,"references":[{"source":"CNA: fortinet","tags":[],"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-191"}],"remediation":[{"kind":"fix","source":"CNA: fortinet","text":"Upgrade to FortiAuthenticator version 8.0.4 or above\nUpgrade to FortiAuthenticator version 6.6.11 or above"}],"revision":"2b50be9d8ae43a299ea9bc1cd18cdd5dce9bc7cb0e278c7cecff468250cff5d7","sources":[{"modifiedAt":1794432709831,"name":"CNA: fortinet","retrievedAt":1794434923421,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121526"}],"ssvc":null,"status":"published","title":"CVE-2026-121526","updatedAt":1794434923421}