Central Authentication System Server up to 2.0.2/2.1.1 on Drupal xml injection

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Central Authentication System Server up to 2.0.2/2.1.1 on Drupal. The affected element is an unknown function. The manipulation results in xml injection. This vulnerability is cataloged as CVE-2026-1554. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Central Authentication System Server up to 2.0.2/2.1.1 on Drupal. Affected is an unknown functionality. The manipulation with an unknown input leads to a xml injection vulnerability. CWE is classifying the issue as CWE-91. The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at drupal.org. This vulnerability is traded as CVE-2026-1554 since 01/28/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

Upgrading to version 2.0.3 or 2.1.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 4.2
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Xml injection
CWE: CWE-91 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Central Authentication System Server 2.0.3/2.1.2

Timelineinfo

01/28/2026 CVE reserved
02/05/2026 +8 days Advisory disclosed
02/05/2026 +0 days VulDB entry created
02/12/2026 +7 days VulDB entry last update

Sourcesinfo

Advisory: sa-contrib-2026-007
Status: Confirmed

CVE: CVE-2026-1554 (🔒)
GCVE (CVE): GCVE-0-2026-1554
GCVE (VulDB): GCVE-100-344394

Entryinfo

Created: 02/05/2026 07:12
Updated: 02/12/2026 08:47
Changes: 02/05/2026 07:12 (55), 02/12/2026 08:47 (18)
Complete: 🔍
Cache ID: 216::103

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