CVE-2026-87937CWE-601

CVE-2026-87937

Medium · published October 22, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
7.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.3th percentile
Weakness
CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
Published
2026-10-22T06:17Z
References (1)
https://www.drupal.org/sa-contrib-2026-135 · [email protected]
EPSS history
Timeline
  • 23 OCT 04:09Z
    EPSS moved — → 0%
    epss
  • 22 OCT 01:22Z
    Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135
    cvelistv5
  • 22 OCT 01:22Z
    Central Authentication System (CAS) Server - Moderately critical - Open redirect - SA-CONTRIB-2026-135
    cvelistv5