{"id":"CVE-2026-87937","state":"PUBLISHED","title":"Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Central Authentication System (CAS) Server allows Fake the Source of Data. This issue affects Central Authentication System (CAS) Server versions: from 0.0.0 to 2.0.4, from 2.1.0 to 2.1.3.","publishedAt":"2026-10-22T01:22:04.473Z","updatedAt":"2026-10-22T17:29:54.899Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"drupal","products":["Drupal Central Authentication System (CAS) Server"],"affected":[{"vendor":"Drupal","product":"Central Authentication System (CAS) Server","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.4","versionType":"semver"},{"version":"2.1.0","status":"affected","lessThan":"2.1.3","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/cas_server","repo":"https://git.drupalcode.org/project/cas_server"}],"references":["https://www.drupal.org/sa-contrib-2026-135"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87937.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87937","state":"PUBLISHED","datePublished":"2026-10-22T01:22:04.473Z","dateUpdated":"2026-10-22T17:29:54.899Z","assignerShortName":"drupal","assignerOrgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateReserved":"2026-09-09T16:56:20.052Z"},"containers":{"cna":{"title":"Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135","descriptions":[{"lang":"en","value":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Central Authentication System (CAS) Server allows Fake the Source of Data. This issue affects Central Authentication System (CAS) Server versions: from 0.0.0 to 2.0.4, from 2.1.0 to 2.1.3."}],"affected":[{"vendor":"Drupal","product":"Central Authentication System (CAS) Server","versions":[{"version":"0.0.0","status":"affected","lessThan":"2.0.4","versionType":"semver"},{"version":"2.1.0","status":"affected","lessThan":"2.1.3","versionType":"semver"}],"collectionURL":"https://www.drupal.org/project/cas_server","repo":"https://git.drupalcode.org/project/cas_server"}],"references":[{"url":"https://www.drupal.org/sa-contrib-2026-135"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"drupal","orgId":"2c85b837-eb8b-40ed-9d74-228c62987387","dateUpdated":"2026-10-22T01:22:04.473Z"},"datePublic":"2026-09-09T17:15:40.000Z","impacts":[{"capecId":"CAPEC-194","descriptions":[{"lang":"en","value":"CAPEC-194 Fake the Source of Data"}]}],"credits":[{"lang":"en","type":"finder","value":"Kalle Kipinä (kekkis)"},{"lang":"en","type":"remediation developer","value":"Ted Cooper (elc)"},{"lang":"en","type":"coordinator","value":"Bram Driesen (bramdriesen)"},{"lang":"en","type":"coordinator","value":"Greg Knaddison (greggles)"},{"lang":"en","type":"coordinator","value":"Jess  (xjm)"},{"lang":"en","type":"coordinator","value":"Swan Kalata (akalata)"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-22T17:29:51.776152Z","id":"CVE-2026-87937","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-22T17:29:54.899Z"}}]}}}