{"id":"CVE-2026-109321","title":"Grav Login OAuth plugin (grav-plugin-login-oauth) before 1.4.3 provisions OAuth accounts as ordinary Grav users with a deterministic <provider>.<id> username and an unsalted MD5 hash of the provider identifier as the password, without di…","summary":"Grav Login OAuth plugin (grav-plugin-login-oauth) before 1.4.3 provisions OAuth accounts as ordinary Grav users with a deterministic <provider>.<id> username and an unsalted MD5 hash of the provider identifier as the password, without di…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-1391"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T17:17:27.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109321","references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-mj8v-hvf6-73gm","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/grav-login-oauth-plugin-before-1.4.3-predictable-local-credentials-authentication-bypass","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-12T18:00:08.201Z","slug":"CVE-2026-109321","body":"## Overview\n\nGrav Login OAuth plugin (grav-plugin-login-oauth) before 1.4.3 provisions OAuth accounts as ordinary Grav users with a deterministic <provider>.<id> username and an unsalted MD5 hash of the provider identifier as the password, without disabling password login. Unauthenticated remote attackers who learn or guess a provider identifier can reproduce these credentials and log in, gaining administrative control of privileged accounts.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}