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  5. CVE-2026-27939

CVE-2026-27939: Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass

February 27, 2026

Authenticated Control Panel users may under certain conditions obtain elevated privileges without completing the intended verification step. This can allow access to sensitive operations and, depending on the user’s existing permissions, may lead to privilege escalation.

References

  • github.com/advisories/GHSA-rw9x-pxqx-q789
  • github.com/statamic/cms
  • github.com/statamic/cms/commit/8639ef96217eaa682bc42e8a62769cb7c6a85d3a
  • github.com/statamic/cms/security/advisories/GHSA-rw9x-pxqx-q789
  • nvd.nist.gov/vuln/detail/CVE-2026-27939

Code Behaviors & Features

Detect and mitigate CVE-2026-27939 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions starting from 6.0.0 before 6.4.0

Fixed versions

  • 6.4.0

Solution

Upgrade to version 6.4.0 or above.

Impact 8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

packagist/statamic/cms/CVE-2026-27939.yml

Spotted a mistake? Edit the file on GitLab.

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