{"cve":"CVE-2025-47951","nvd":{"published":"2025-06-16T21:15:24.010","modified":"2026-06-17T09:28:53.437","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N","score":4.9},"cwes":["CWE-307"],"references":["https://github.com/WeblateOrg/weblate/commit/f806293451248c5d95e45b3b507e9d158bc4f384","https://github.com/WeblateOrg/weblate/pull/14918","https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1","https://github.com/WeblateOrg/weblate/security/advisories/GHSA-57jg-m997-cx3q","https://hackerone.com/reports/3150564"],"products":["weblate:weblate"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2025-47951","score":0.00265,"percentile":0.1847,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-57jg-m997-cx3q","url":"https://osv.dev/vulnerability/GHSA-57jg-m997-cx3q","summary":"Weblate lacks rate limiting when verifying second factor","modified":"2026-09-10T03:50:24.898250056Z","packages":[{"ecosystem":"PyPI","name":"weblate","purl":"pkg:pypi/weblate","ranges":["<5.12"],"fixed":["5.12"]}]},{"id":"PYSEC-2026-2039","url":"https://osv.dev/vulnerability/PYSEC-2026-2039","summary":"Weblate lacks rate limiting when verifying second factor","modified":"2026-07-07T17:47:55.587125338Z","packages":[{"ecosystem":"PyPI","name":"weblate","purl":"pkg:pypi/weblate","ranges":["<5.12"],"fixed":["5.12"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}