{"id":"CVE-2026-87937","summary":"Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135","details":"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.","aliases":["DRUPAL-CONTRIB-2026-135"],"modified":"2026-10-28T02:30:38.831640028Z","published":"2026-10-22T01:22:04.473Z","database_specific":{"cna_assigner":"drupal","cwe_ids":["CWE-601"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87937.json"},"references":[{"type":"WEB","url":"https://git.drupalcode.org/project/cas_server"},{"type":"WEB","url":"https://www.drupal.org/project/cas_server"},{"type":"WEB","url":"https://www.drupal.org/sa-contrib-2026-135"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87937.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87937"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.drupalcode.org/project/cas_server","events":[{"introduced":"0"},{"fixed":"b55cd99d5aaeacc063533ecb9f06d298cf13af47"},{"introduced":"b84717c5fa472b63e5fc5c54424687e9bac0f8ef"},{"fixed":"0122a4885518a0d637ba4197cc5c064b27e11f7c"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0.0.0"},{"fixed":"2.0.4"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"2.1.0"},{"fixed":"2.1.3"}]}]}}],"versions":["2.0.3","2.1.2","2.1.1","2.0.2","2.1.0","2.0.1","2.0.0","2.0.0-rc2","2.0.0-rc1","8.x-1.0","8.x-1.0-beta3","8.x-1.0-beta2","8.x-1.0-beta1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-87937.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}