What is CVE-2026-5343?

CVE-2026-5343 is a high-severity vulnerability in Drupal Saml Sso - Service Provider, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.4/10. Published 2026-05-28.

How severe is CVE-2026-5343?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Drupal Saml Sso - Service Provider

CVE-2026-5343

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.

EPSS: 0.000 (13.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Drupal Saml Sso - Service Provider — versions 0.0.0
Miniorange Saml_sso_-_service_provider — versions 7.x-1.0, 7.x-1.1, 7.x-1.2

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2026-5343?: CVE-2026-5343 is a high-severity vulnerability in Drupal Saml Sso - Service Provider, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.4/10. Published 2026-05-28.
How severe is CVE-2026-5343?: High severity. CVSS v3 base score is 7.4 out of 10.