CVE-2026-5343

SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031

HIGH

7.4

CVSS Score

Published: May 28, 2026 at 10:48 PM UTC

Updated: July 21, 2026 at 10:29 AM UTC

1 product affected across 1 vendorSaml SSO Service Provider

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Severity

HIGH7.4

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Saml SSO Service Provider · Miniorangedrupal

95%

Affected range stops below 3.1.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.drupal.org/sa-contrib-2026-031

References (1)

Vendor Advisory

Source: cverecord

https://www.drupal.org/sa-contrib-2026-031

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-754

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