MEDIUM5.3

PYSEC-2026-2038

Weblate exposes personal IP address via e-mail

Quick fix

PYSEC-2026-2038 — weblate: upgrade to the fixed version with the command below.

pip install --upgrade 'weblate>=5.12'

Details

### Impact

The audit log notifications included the full IP address of the acting user. This could be obtained by third-party servers such as SMTP relays, or spam filters.

### Patches

This issue has been addressed in Weblate 5.12 via https://github.com/WeblateOrg/weblate/pull/15102.

### References

Thanks to [micael1](https://hackerone.com/micael1) for reporting this [issue at HackerOne](https://hackerone.com/reports/3179850).

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/weblate

Introduced in: 0Fixed in: 5.12

Fixpip install --upgrade 'weblate>=5.12'

References

https://github.com/WeblateOrg/weblate/security/advisories/GHSA-4qqf-9m5c-w2c5[WEB]
https://nvd.nist.gov/vuln/detail/CVE-2025-49134[ADVISORY]
https://github.com/WeblateOrg/weblate/pull/15102[WEB]
https://github.com/WeblateOrg/weblate/commit/020b2905e4d001cff2452574d10e6cf3621b5f62[WEB]
https://github.com/WeblateOrg/weblate[PACKAGE]
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1[WEB]
https://pypi.org/project/weblate[PACKAGE]
https://github.com/advisories/GHSA-4qqf-9m5c-w2c5[ADVISORY]