CVE-2026-1554 json
Central Authentication System (CAS) Server - Less critical - XML Element Injection - SA-CONTRIB-2026-007
published 2026-01-28 9 mo ago modified 2026-09-10 1 mo ago also DRUPAL-CONTRIB-2026-007 , EUVD-2026-5352
- cvss
- 4.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist drupal/cas_server 2.0.3, 2.1.2
- Drupal Central Authentication System (CAS) Server 2.0.3, 2.1.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 4.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | drupal/cas_server | <2.0.3 >=2.1.0, <2.1.2 |
2.0.3 2.1.2 |
Affected products
- Drupal Central Authentication System (CAS) Server
Classification
- Weakness
-
- CWE-91 XML Injection
References
-
drupal.org
/sa-contrib-2026-007
vendor-advisory, web
Sources
- CVE List CVE-2026-1554
- NVD CVE-2026-1554
- OSV DRUPAL-CONTRIB-2026-007
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