# CVE-2025-64725: PYSEC-2026-2042 - Weblate has improper validation upon invitation acceptance

Source: https://junglewise.ai/threats/cve-2025-64725-weblate-has-improper-validation-upon-invitation-acceptance  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-15  
License: CC BY 4.0 with a link back

CVE-2025-64725 · Severity: critical · CVSS 9.8 · Published 2025-12-15

Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by a different user. Version 5.15. contains a patch. As a workaround, avoid leaving one's Weblate sessions with an invitation opened unattended.

Technologies: [weblate (PyPI)](https://junglewise.ai/threats/technologies/weblate), [Weblate](https://junglewise.ai/threats/technologies/weblate-weblate). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi), [Weblate](https://junglewise.ai/threats/vendors/weblate).

## Quick answers

**Is CVE-2025-64725 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-64725 being exploited in the wild.

**How severe is CVE-2025-64725?** Critical severity, with a CVSS score of 9.8, published 15 December 2025.

**Which products and versions are affected?** weblate (PyPI) ECOSYSTEM:introduced=0,fixed=5.15.

**Is there a fix for CVE-2025-64725?** Yes. weblate (PyPI): upgrade to 5.15 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-64725?** Check whether you run weblate (PyPI) or Weblate at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- weblate (PyPI): upgrade to 5.15 or later

  ```sh
  pip install "weblate>=5.15"
  ```


## Affected products

- weblate (PyPI) ECOSYSTEM:introduced=0,fixed=5.15
- Weblate

## Identifiers

- CVE-2025-64725
- GHSA-m6hq-f4w9-qrjj
- PYSEC-2026-2042

## Related threats

- [Weblate argument injection in Mercurial backend](https://junglewise.ai/threats/cve-2026-86035-weblate-is-a-web-based-continuous-localization-platform-used-to)
- [Weblate IDOR in GroupViewSet authorization bypass](https://junglewise.ai/threats/cve-2026-55228-weblate-idor-in-groupviewset-authorization-bypass)
- [Weblate observable object existence disclosure via HTTP status codes](https://junglewise.ai/threats/cve-2026-55227-weblate-observable-object-existence-disclosure-via-http-status)
- [PYSEC-2026-2037 - Weblate leaks information via screenshots](https://junglewise.ai/threats/cve-2026-21889-weblate-information-disclosure-via-unprotected-screenshots)
- [PYSEC-2026-2040 - Weblate has an arbitrary file read via symbolic links](https://junglewise.ai/threats/cve-2025-68279-weblate-has-an-arbitrary-file-read-via-symbolic-links)