CVE-2025-49134

2.1 lowEPSS 0.3%

Low (2.1) in weblate weblate. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in weblate 5.12.

Weblate is a web based localization tool. Prior to version 5.12, 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. This issue has been patched in version 5.12.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
CWE: CWE-359
Published: 2025-06-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

weblate:weblate

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-4qqf-9m5c-w2c5	PyPI	weblate	<5.12	5.12
PYSEC-2026-2038	PyPI	weblate	<5.12	5.12

References

https://github.com/WeblateOrg/weblate/commit/020b2905e4d001cff2452574d10e6cf3621b5f62
https://github.com/WeblateOrg/weblate/pull/15102
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-4qqf-9m5c-w2c5

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