Home/CVE/Weblate is a web based localization tool. Prior to version 5.12, the verification of the second factor was not subject t
CVE

CVE-2025-47951

Weblate is a web based localization tool. Prior to version 5.12, the verification of the second factor was not subject t

Weblate is a web based localization tool. Prior to version 5.12, the verification of the second factor was not subject to rate limiting. The absence of rate limiting on the second factor endpoint allows an attacker with valid credentials to automate OTP guessing.

This issue has been patched in version 5.12.

MEDIUM · CVSS 4.9 EPSS 0.00201
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-307Improper Restriction of Excessive Authentication Attempts
▤

Affected Products & Versions

1
weblate< 5.12
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI weblate MODERATE fixed in 5.12
▣

Scoring & Timeline

4.9
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Jun 2025 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/WeblateOrg/weblate/commit/f806293451248c5d95e45b3b507e9d158bc4f384Patch
https://github.com/WeblateOrg/weblate/pull/14918Issue Tracking
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1Release Notes
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-57jg-m997-cx3qVendor Advisory
https://hackerone.com/reports/3150564Permissions Required
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