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
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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