CVE-2026-87937 (GCVE-0-2026-87937)
Vulnerability from cvelistv5
Published
2026-10-22 01:22
Modified
2026-10-22 17:29
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
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.
Impacted products
Vendor Product Version
Drupal Central Authentication System (CAS) Server Version: 0.0.0   ≤
Version: 2.1.0   ≤
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-87937",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-22T17:29:51.776152Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-22T17:29:54.899Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/cas_server",
          "product": "Central Authentication System (CAS) Server",
          "repo": "https://git.drupalcode.org/project/cas_server",
          "vendor": "Drupal",
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Kalle Kipin\u00c3\u00a4 (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)"
        }
      ],
      "datePublic": "2026-09-09T17:15:40.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027) 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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-194",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-194 Fake the Source of Data"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-601",
              "description": "CWE-601 URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T01:22:04.473Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-contrib-2026-135"
        }
      ],
      "title": "Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-87937",
    "datePublished": "2026-10-22T01:22:04.473Z",
    "dateReserved": "2026-09-09T16:56:20.052Z",
    "dateUpdated": "2026-10-22T17:29:54.899Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "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 (\u0027Open Redirect\u0027)\", \"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 (\u0027Open Redirect\u0027) 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 Kipin\\u00c3\\u00a4 (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\": [{\"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\": {\"id\": \"CVE-2026-87937\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-22T17:29:51.776152Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-22T17:29:47.816Z\"}}]}",
      "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\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…