{"id":"CVE-2026-53871","title":"Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie","summary":"Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie. An authenticated attacker can forge the hermes_pr…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-565"],"vendor":"nesquena","product":"hermes-webui","affected":["hermes-webui < 0.51.368"],"published":"2026-06-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:16:45.297","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53871","references":[{"url":"https://github.com/nesquena/hermes-webui/commit/9e96f5f6adf93b6d1e27ebddfb4d2833ca06ff3b","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nesquena/hermes-webui/pull/4023","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nesquena/hermes-webui/pull/4036","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.51.368","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/hermes-webui-profile-scoped-authorization-bypass-via-forged-hermes-profile-cookie","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-06-18T13:50:12.561304Z"},"epss":0.00365,"epssPercentile":0.30405,"ingestedAt":"2026-09-17T18:25:15.969Z","slug":"CVE-2026-53871","body":"## Overview\n\nHermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie. An authenticated attacker can forge the hermes_profile cookie value to bypass profile-scoped authorization checks and access sessions, files, and resources across different profiles.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}