{"id":"CVE-2026-86101","title":"An improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially c…","summary":"An improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially c…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-285","CWE-863"],"vendor":"watchguard","product":"fireware","affected":["fireware >= 12.0, < 12.5.21","fireware >= 12.12, < 12.12.3","fireware >= 2025.0, < 2026.2.3","fireware >= 2026.3, < 2026.3.2"],"patched":["fireware 2026.3.2"],"published":"2026-09-30","updated":"2026-10-08","sourceUpdated":"2026-10-08T19:40:03.017","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86101","references":[{"url":"https://psirt.watchguard.com/CVE-2026-86101","label":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"tags":["nvd","cve.org"],"epss":0.00234,"epssPercentile":0.1422,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T14:22:36.042789Z"},"scores":{"nvd":6.5,"cna":7.2},"ingestedAt":"2026-09-29T23:52:50.549Z","slug":"CVE-2026-86101","body":"## Overview\n\nAn improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially crafted request.\n\n## Affected\n\n- `fireware >= 12.0, < 12.5.21`\n- `fireware >= 12.12, < 12.12.3`\n- `fireware >= 2025.0, < 2026.2.3`\n- `fireware >= 2026.3, < 2026.3.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `fireware 2026.3.2`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218266,"id":"CVE-2026-86101","ts":1791490022686,"field":"cvss","old":"7.2","new":"6.5"},{"seq":218265,"id":"CVE-2026-86101","ts":1791490022686,"field":"severity","old":"high","new":"medium"}]}