CVE-2026-5343
SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031
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.
- Record
CVE-2026-5343- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-754
- Updated
- 2026-11-02
EUVDEUVD-2026-33228
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.
- Record
EUVD-2026-33228- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9622-2jm8-94x7
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service...
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.
- Record
GHSA-9622-2jm8-94x7- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-754
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-5343- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-754
- Updated
- 2026-11-02
OSV
SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031
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.
- Record
CVE-2026-5343- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-754
- Updated
- 2026-11-02
OSVDRUPAL-CONTRIB-2026-031 No score
This module enables you to perform SAML-protocol-based single-sign-on (SSO) on a Drupal site.
The module doesn't sufficiently block access, leading to a authentication bypass vulnerability.
- Record
DRUPAL-CONTRIB-2026-031- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/miniorange_samlPackagist:https://packages.drupal.org/8 |
before 3.1.4 | 3.1.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-5343 is a high vulnerability (CVSS 7.4) in Drupal Saml Sso - Service Provider, published April 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in drupal/miniorange_saml 3.1.4.