CVE-2026-1554
Unknown Unknown - Not Provided

XML Injection in Drupal CAS Server Enables Privilege Escalation

Publication date: 2026-02-04

Last updated on: 2026-02-11

Assigner: Drupal.org

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.

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Meta Information

Published
2026-02-04
Last Modified
2026-02-11
Generated
2026-07-06
AI Q&A
2026-02-04
EPSS Evaluated
2026-07-05
NVD
CVE-2026-1554
EUVD
EUVD-2026-5352

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
jtenman central_authentication_system_server to 2.0.3 (exc)
jtenman central_authentication_system_server From 2.1.0 (inc) to 2.1.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-91 The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.

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Executive Summary

This vulnerability is an XML Injection, also known as Blind XPath Injection, found in the Drupal Central Authentication System (CAS) Server. It allows an attacker to perform privilege escalation by exploiting the way the system processes XML data.

Impact Analysis

The vulnerability can lead to privilege escalation, meaning an attacker could gain higher-level access rights than intended. This could allow unauthorized actions within the system, potentially compromising security and control.

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