CVE-2026-87937 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-601

References

https://www.drupal.org/sa-contrib-2026-135

FAQ

What is CVE-2026-87937?

CVE-2026-87937 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2026-87937?

CVE-2026-87937 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87937?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.