PT-2026-5243 · Drupal · Central Authentication System (Cas) Server

Gaãl Gosset + 4 · Publicado 2026-01-28 · Atualizado 2026-02-11 · CVE-2026-1554

Positive Technologies (AI Summary)

CVSS v3.1

4.2

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Drupal Central Authentication System (CAS) Server versions prior to 2.0.3 Drupal Central Authentication System (CAS) Server versions 2.1.0 through 2.1.1

Description The Central Authentication System (CAS) Server module for Drupal does not adequately sanitize user-provided field values when configured as attributes in a CAS server response, leading to an XML Element Injection issue. An attacker must be authenticated and have the ability to input XML into a user entity field that is configured as a CAS Attribute source to exploit this.

Recommendations Update Drupal Central Authentication System (CAS) Server to version 2.0.3 or later. Update Drupal Central Authentication System (CAS) Server to version 2.1.2 or later.

Correção

LPE

Enumeração de Fraquezas

CWE-91

Identificadores relacionados

CVE-2026-1554

DRUPAL-CONTRIB-2026-007

Produtos afetados

Central Authentication System (Cas) Server

Referências · 9

• https://drupal.org/sa-contrib-2026-007 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-1554 · Nota de Segurança
• https://t.me/cveNotify/151005 · Publicação no Telegram
• https://twitter.com/MNovofastovsky/status/2021599501404786873 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-1554 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2019182770686484963 · Publicação no Twitter
• https://t.me/CVEtracker/43764 · Publicação no Telegram
• https://osv.dev/vulnerability/DRUPAL-CONTRIB-2026-007 · Aviso do Fabricante
• https://twitter.com/MNovofastovsky/status/2020596496442196031 · Publicação no Twitter