CVE-2026-1554

Name: CVE-2026-1554
Creator: NVD / NIST
Published: 2026-02-04T21:15:59.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-1554 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.2/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.15%

4.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-91

Affected Software

Vendor	Product	Versions
Jtenman	Central Authentication System Server	< 2.0.3
Jtenman	Central Authentication System Server	>= 2.1.0, < 2.1.2

References

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

Timeline

Published: Feb 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1554?

How severe is CVE-2026-1554?

CVE-2026-1554 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1554?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1554?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST