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  5. CVE-2026-33435

CVE-2026-33435: Weblate: Remote code execution during backup restoration

April 16, 2026

The project backup didn’t filter Git and Mercurial configuration files and this could lead to remote code execution under certain circumstances.

References

  • github.com/WeblateOrg/weblate
  • github.com/WeblateOrg/weblate/pull/18549
  • github.com/WeblateOrg/weblate/security/advisories/GHSA-558g-h753-6m33
  • github.com/advisories/GHSA-558g-h753-6m33
  • nvd.nist.gov/vuln/detail/CVE-2026-33435

Code Behaviors & Features

Detect and mitigate CVE-2026-33435 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 before 5.17

Fixed versions

  • 5.17

Solution

Upgrade to version 5.17 or above.

Impact 8 HIGH

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

Learn more about CVSS

Weakness

  • CWE-23: Relative Path Traversal
  • CWE-434: Unrestricted Upload of File with Dangerous Type
  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

pypi/Weblate/CVE-2026-33435.yml

Spotted a mistake? Edit the file on GitLab.

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