SAML SSO up to 3.1.3 on Drupal unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SAML SSO up to 3.1.3 on Drupal. This issue affects some unknown processing. Performing a manipulation results in unusual condition. This vulnerability is reported as CVE-2026-5343. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in SAML SSO up to 3.1.3 on Drupal. It has been classified as critical. This affects some unknown processing. The manipulation with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. The impact remains unknown. The summary by CVE is:

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation. This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.

The weakness was disclosed by Tim De Jong as trib-2026-031. It is possible to read the advisory at drupal.org. This vulnerability is uniquely identified as CVE-2026-5343 since 04/01/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 3.1.4 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

ADP CISA Base Score: 7.4
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
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: SAML SSO 3.1.4

Timelineinfo

04/01/2026 CVE reserved
05/29/2026 +58 days Advisory disclosed
05/29/2026 +0 days VulDB entry created
07/22/2026 +54 days VulDB entry last update

Sourcesinfo

Advisory: trib-2026-031
Researcher: Tim De Jong
Status: Confirmed

CVE: CVE-2026-5343 (🔒)
GCVE (CVE): GCVE-0-2026-5343
GCVE (VulDB): GCVE-100-367107

Entryinfo

Created: 05/29/2026 09:54
Updated: 07/22/2026 21:46
Changes: 05/29/2026 09:54 (55), 07/22/2026 21:46 (12)
Complete: 🔍
Cache ID: 216::103

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