Drupal External Authentication up to 2.0.12 privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.48+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Drupal External Authentication up to 2.0.12. The impacted element is an unknown function. This manipulation causes privileges management. The identification of this vulnerability is CVE-2026-73476. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Drupal External Authentication up to 2.0.12 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect integrity. The summary by CVE is:

Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.

It is possible to read the advisory at drupal.org. This vulnerability is known as CVE-2026-73476 since 08/12/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2.0.13 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: External Authentication 2.0.13

Timelineinfo

08/12/2026 CVE reserved
09/02/2026 +21 days Advisory disclosed
09/02/2026 +0 days VulDB entry created
09/02/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: drupal.org

Advisory: drupal.org
Status: Confirmed

CVE: CVE-2026-73476 (🔒)
GCVE (CVE): GCVE-0-2026-73476
GCVE (VulDB): GCVE-100-398119

Entryinfo

Created: 09/02/2026 15:06
Changes: 09/02/2026 15:06 (54)
Complete: 🔍
Cache ID: 216::103

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