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CVE-2026-1554— Central Authentication System (CAS) Server - Less critical - XML Element Injection - SA-CONTRIB-2026-007

Quick assessment

Affected
Drupal Central Authentication System (CAS) Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Drupal Central Authentication System Server是Drupal公司的一个CAS认证中心模块。 Drupal Central Authentication System Server 2.0.3之前版本和2.1.2之前版本存在安全漏洞，该漏洞源于XML注入，可能导致权限提升。

AI Predicted 8.4 Difficulty: Easy EPSS 0.18% · P6
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I. Basic Information for CVE-2026-1554

Vulnerability Information
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Vulnerability Title
Central Authentication System (CAS) Server - Less critical - XML Element Injection - SA-CONTRIB-2026-007
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
XML注入(XPath盲注)
Source: CVE Program / CVE List V5
Vulnerability Title
Drupal Central Authentication System Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal Central Authentication System Server是Drupal公司的一个CAS认证中心模块。 Drupal Central Authentication System Server 2.0.3之前版本和2.1.2之前版本存在安全漏洞，该漏洞源于XML注入，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Drupal Central Authentication System (CAS) Server 0.0.0 ~ 2.0.3 -

II. Public POCs for CVE-2026-1554

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III. Intelligence Information for CVE-2026-1554

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Same Patch Batch · Drupal · 2026-02-04 · 7 CVEs total

CVE-2026-1553 Drupal Canvas - Moderately critical - Access bypass - SA-CONTRIB-2026-006
CVE-2026-0948 Microsoft Entra ID SSO Login - Critical - Access bypass - SA-CONTRIB-2026-005
CVE-2026-0947 AT Internet Piano Analytics - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026
CVE-2026-0946 AT Internet SmartTag - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-003
CVE-2026-0945 Role Delegation - Moderately critical - Access bypass - SA-CONTRIB-2026-002
CVE-2026-0944 Group invite - Moderately critical - Access bypass - SA-CONTRIB-2026-001

IV. Related Vulnerabilities

Same vendor: Drupal
Same weakness: CWE-91

V. Comments for CVE-2026-1554

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