Answer in brief
CVE-2024-39303 records a Medium severity (CVSS 4.4) vulnerability in Weblate vulnerable to improper sanitization of project backups. The current sources do not mark it as known exploited. The current feed maps weblate (pypi). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps weblate (pypi). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| weblatepypi | >=4.14 <5.6.2 | 5.6.2 |
Published upstream
Jul 1, 2024
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
### Impact 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. ### Patches This issue has been addressed in Weblate 5.6.2 via https://github.com/WeblateOrg/weblate/commit/b6a7eace155fa0feaf01b4ac36165a9c5e63bfdd. ### Workarounds Do not allow project creation to untrusted users. ### References Thanks to Bryan Cahill for bringing this issue to our attention. ### For more information If you have any questions or comments about this advisory: * Open a topic in [discussions](https://github.com/WeblateOrg/weblate/discussions) * Email us at [[email protected]](mailto:[email protected])
Quoted source text, attributed separately from HOL analysis.