vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-1554

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

MEDIUM
4.2
CVSS Score
Published: February 4, 2026 at 08:26 PM UTC
Updated: June 17, 2026 at 10:16 AM UTC
2 products affected across 2 vendorsCentral Authentication System ServerCentral Authentication System (CAS) Server

Using Central Authentication System (CAS) Server by Drupal?

Get instant alerts when new vulnerabilities affect Central Authentication System (CAS) Server - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Central Authentication System Server· Jtenmandrupal
95%
v < 2.0.32.1.0 ≤ v < 2.1.2
Central Authentication System (CAS) Server· Drupaldrupal
60%
0.0.0 ≤ v < 2.0.32.1.0 ≤ v < 2.1.20.0.02.1.0
Affected range stops below 2.0.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://www.drupal.org/sa-contrib-2026-007

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.2MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-91

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card