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

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), Weblate. Vendors: PyPI, 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
    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

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