CVE-2025-47951

Weblate lacks rate limiting when verifying second factor

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.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: WeblateOrg weblate
Published at:
Updated at:

References

Link Tags
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-57jg-m997-cx3q
https://github.com/WeblateOrg/weblate/pull/14918
https://github.com/WeblateOrg/weblate/commit/f806293451248c5d95e45b3b507e9d158bc4f384
https://hackerone.com/reports/3150564
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.12.1

Frequently Asked Questions

What is the severity of CVE-2025-47951?
CVE-2025-47951 has been scored as a medium severity vulnerability.
How to fix CVE-2025-47951?
To fix CVE-2025-47951, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-47951 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-47951 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-47951?
CVE-2025-47951 affects WeblateOrg weblate.
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