CVE-2026-5343 SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031
High 7.4
Published
Updated
Check this codebase for CVE-2026-5343 and fix it if it is affected.
What it is: CVE-2026-5343 is a high-severity vulnerability in Drupal SAML SSO - Service Provider, published on 28 May 2026.
Exploitation: There is no known exploitation of CVE-2026-5343 in the wild and no public exploit code.
Affected product: Drupal SAML SSO - Service Provider. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-5343/ (Markdown: https://insights.sbomify.com/CVE-2026-5343/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-5343?
CVE-2026-5343 is a high-severity vulnerability in Drupal SAML SSO - Service Provider, published on 28 May 2026.
Official 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.
Weakness: CWE-754
Which versions are affected by CVE-2026-5343?
It affects 1 product.
Linux distribution packages (1)
drupal/miniorange_saml Packagist:https://packages.drupal.org/8 | All versions | 3.1.4 |
Products include Miniorange Saml Sso - Service Provider.
How do I fix CVE-2026-5343?
Upgrade to a fixed version.
Is CVE-2026-5343 being exploited?
There is no known exploitation of CVE-2026-5343 in the wild and no public exploit code.
Other vulnerabilities in Drupal SAML SSO - Service Provider
Sources
Also known as DRUPAL-CONTRIB-2026-031, GHSA-9622-2jm8-94x7.