{"schema":"threatline.record/2","record":{"id":"CVE-2026-109321","aliases":["GHSA-mj8v-hvf6-73gm"],"summary":"Grav Login OAuth Plugin before 1.4.3 Predictable Local Credentials Authentication Bypass","details":"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 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.","categories":["Unclassified"],"product":"grav-plugin-login-oauth","vendor":"getgrav","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109321","source_modified_at":"2026-10-18T12:13:29.858Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"grav-plugin-login-oauth","vendor":"getgrav","versions":[{"version":"1.0.0-beta.1","status":"affected","versionType":"semver","lessThan":"1.4.3"},{"version":"1.4.3","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109321","source_modified_at":"2026-10-18T12:13:29.858Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"grav-plugin-login-oauth","ecosystem":null},"version":"1.4.3","basis":"first unaffected version stated in the CVE record"}],"cvss":9.3,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00402,"percentile":0.33314,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:13.414Z","modified_at":"2026-10-18T12:13:29.858Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109321","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-18T12:13:29.858Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109321","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/getgrav/grav/security/advisories/GHSA-mj8v-hvf6-73gm","tags":["vendor-advisory","third-party-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/grav-login-oauth-plugin-before-1.4.3-predictable-local-credentials-authentication-bypass","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-18T12:02:10.570840Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-18T12:13:29.858Z","content_hash":"8d97178b183034e03b5c0919fdea679b601191818ec4080534e9dc74ad7e1d7e"}}