XML Injection (aka Blind XPath Injection) vulnerability in Drupal Central Authentication System (CAS) Server allows Privilege Escalation.This issue affects Central Authentication System (CAS) Server: from 0.0.0 before 2.0.3, from 2.1.0 before 2.1.2.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00035.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Drupal Subscribe
Central Authentication System (cas) Server Subscribe

No data.

No data.

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Vendors Products
Drupal Subscribe
Central Authentication System (cas) Server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.drupal.org/sa-contrib-2026-007 cve-icon cve-icon
History

Thu, 05 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 05 Feb 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Drupal
Drupal central Authentication System (cas) Server
Vendors & Products Drupal
Drupal central Authentication System (cas) Server

Wed, 04 Feb 2026 20:45:00 +0000

Type Values Removed Values Added
Description XML Injection (aka Blind XPath Injection) vulnerability in Drupal Central Authentication System (CAS) Server allows Privilege Escalation.This issue affects Central Authentication System (CAS) Server: from 0.0.0 before 2.0.3, from 2.1.0 before 2.1.2.
Title Central Authentication System (CAS) Server - Less critical - XML Element Injection - SA-CONTRIB-2026-007
Weaknesses CWE-91
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: drupal

Published:

Updated: 2026-02-05T15:15:29.323Z

Reserved: 2026-01-28T17:01:09.595Z

Link: CVE-2026-1554

cve-icon Vulnrichment

Updated: 2026-02-05T15:12:53.540Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-04T21:15:59.427

Modified: 2026-02-05T16:15:51.100

Link: CVE-2026-1554

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-05T11:39:55Z

Weaknesses