{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-87937", "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387", "state": "PUBLISHED", "assignerShortName": "drupal", "dateReserved": "2026-09-09T16:56:20.052Z", "datePublished": "2026-10-22T01:22:04.473Z", "dateUpdated": "2026-10-22T17:29:54.899Z" }, "containers": { "cna": { "title": "Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135", "datePublic": "2026-09-09T17:15:40.000Z", "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" } ] } ], "impacts": [ { "capecId": "CAPEC-194", "descriptions": [ { "lang": "en", "value": "CAPEC-194 Fake the Source of Data" } ] } ], "affected": [ { "collectionURL": "https://www.drupal.org/project/cas_server", "product": "Central Authentication System (CAS) Server", "vendor": "Drupal", "repo": "https://git.drupalcode.org/project/cas_server", "versions": [ { "lessThan": "2.0.4", "status": "affected", "version": "0.0.0", "versionType": "semver" }, { "lessThan": "2.1.3", "status": "affected", "version": "2.1.0", "versionType": "semver" } ] } ], "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." } ], "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)" } ], "providerMetadata": { "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387", "shortName": "drupal", "dateUpdated": "2026-10-22T01:22:04.473Z" } }, "adp": [ { "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" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-22T17:29:54.899Z" } } ] } }