{"id":"CVE-2026-71206","state":"PUBLISHED","title":"shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion","description":"Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase.","publishedAt":"2026-08-05T06:59:06.908Z","updatedAt":"2026-08-10T11:45:07.279Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","source":"TuranSec"},"assigner":"TuranSec","products":["go-shiori shiori"],"affected":[{"vendor":"go-shiori","product":"shiori","defaultStatus":"unknown","versions":[{"version":"0","status":"affected"}],"programFiles":["internal/domains/auth.go"]}],"references":["https://github.com/go-shiori/shiori"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71206.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71206","state":"PUBLISHED","datePublished":"2026-08-05T06:59:06.908Z","dateUpdated":"2026-08-10T11:45:07.279Z","assignerShortName":"TuranSec","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateReserved":"2026-08-05T06:56:15.799Z"},"containers":{"cna":{"title":"shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion","descriptions":[{"lang":"en","value":"Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase."}],"affected":[{"vendor":"go-shiori","product":"shiori","defaultStatus":"unknown","versions":[{"version":"0","status":"affected"}],"programFiles":["internal/domains/auth.go"]}],"references":[{"url":"https://github.com/go-shiori/shiori","tags":["third-party-advisory"]}],"metrics":[{"other":{"type":"CVSS_3.1_severity","content":{"value":"HIGH"}}},{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"CWE-613 Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"TuranSec","orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateUpdated":"2026-08-10T11:45:07.279Z"},"credits":[{"lang":"en","value":"Eldor Nabijonov","type":"finder"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T06:59:06.908Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T13:18:47.931199Z","id":"CVE-2026-71206","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T13:19:03.494Z"}}]}}}