---
id: CVE-2025-49134
aliases:
  - GHSA-4qqf-9m5c-w2c5
  - PYSEC-2026-2038
title: Weblate exposes personal IP address via e-mail
summary: Weblate exposes personal IP address via e-mail
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
vendor: weblate
product: weblate
ecosystem: pip
affected:
  - weblate < 5.12
patched:
  - weblate 5.12
published: '2025-06-16'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:50:24.745948557Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-4qqf-9m5c-w2c5'
references:
  - url: >-
      https://github.com/WeblateOrg/weblate/security/advisories/GHSA-4qqf-9m5c-w2c5
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-49134'
  - url: 'https://github.com/WeblateOrg/weblate/pull/15102'
  - url: >-
      https://github.com/WeblateOrg/weblate/commit/020b2905e4d001cff2452574d10e6cf3621b5f62
  - url: 'https://github.com/WeblateOrg/weblate'
  - url: 'https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1'
tags:
  - osv
  - pip
epss: 0.00321
epssPercentile: 0.22365
ingestedAt: '2026-07-08T18:25:45.526Z'
---

## Overview

### 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).

## Affected packages

- `weblate < 5.12`

## Remediation

Upgrade to a patched release:

- `weblate 5.12`