{"id":"CVE-2026-73476","state":"PUBLISHED","title":"External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098","description":"Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.","publishedAt":"2026-09-02T12:32:38.621Z","updatedAt":"2026-09-02T18:38:42.486Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"drupal","products":["Drupal External Authentication"],"affected":[{"vendor":"Drupal","product":"External Authentication","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.13","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/externalauth","repo":"https://git.drupalcode.org/project/externalauth"}],"references":["https://www.drupal.org/sa-contrib-2026-098"],"weaknesses":["CWE-178"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73476.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73476","state":"PUBLISHED","datePublished":"2026-09-02T12:32:38.621Z","dateUpdated":"2026-09-02T18:38:42.486Z","assignerShortName":"drupal","assignerOrgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateReserved":"2026-08-12T17:21:18.776Z"},"containers":{"cna":{"title":"External Authentication - Moderately critical - Access bypass - SA-CONTRIB-2026-098","descriptions":[{"lang":"en","value":"Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13."}],"affected":[{"vendor":"Drupal","product":"External Authentication","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.13","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/externalauth","repo":"https://git.drupalcode.org/project/externalauth"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-098"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-178","description":"CWE-178 Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"drupal","orgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateUpdated":"2026-09-02T12:32:38.621Z"},"datePublic":"2026-08-12T17:56:03.000Z","impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"credits":[{"lang":"en","type":"finder","value":"晉宇 林 (whale120)"},{"lang":"en","type":"remediation developer","value":"Sven Decabooter (svendecabooter)"},{"lang":"en","type":"coordinator","value":"Swan Kalata (akalata)"},{"lang":"en","type":"coordinator","value":"Neil Drumm (drumm)"},{"lang":"en","type":"coordinator","value":"Greg Knaddison (greggles)"},{"lang":"en","type":"coordinator","value":"Juraj Nemec (poker10)"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T18:38:36.672968Z","id":"CVE-2026-73476","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-02T18:38:42.486Z"}}]}}}