{"affected":[{"defaultStatus":"unaffected","product":"FortiOS","source":"CNA: fortinet","vendor":"Fortinet","versions":[{"status":"affected","version":"8.0.0"},{"lessThanOrEqual":"7.6.7","status":"affected","version":"7.6.0","versionType":"semver"},{"lessThanOrEqual":"7.4.12","status":"affected","version":"7.4.0","versionType":"semver"},{"lessThanOrEqual":"7.2.13","status":"affected","version":"7.2.0","versionType":"semver"},{"lessThanOrEqual":"7.0.19","status":"affected","version":"7.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-126259","cwes":["CWE-306"],"description":"A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker with HA FGSP + standalone-config-sync, or autoscale to execute command as super admin via crafted HA packets.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9,"severity":"critical","source":"CNA: fortinet","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794432713632,"publishedAt":1794432713632,"references":[{"source":"CNA: fortinet","tags":[],"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-273"}],"remediation":[{"kind":"fix","source":"CNA: fortinet","text":"Upgrade to FortiOS version 8.0.1 or above\nUpgrade to FortiOS version 7.6.8 or above\nUpgrade to FortiOS version 7.4.13 or above\nUpgrade to FortiOS version 7.2.14 or above"}],"revision":"345eaf44945b71004156e83acf0c42ff55f83223afe46a3f7011ed51534de713","sources":[{"modifiedAt":1794432713632,"name":"CNA: fortinet","retrievedAt":1794435032669,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126259"}],"ssvc":null,"status":"published","title":"CVE-2026-126259","updatedAt":1794435032669}