The verification of the second factor had too long a session expiry. The long session expiry could be used to circumvent rate limiting of the second factor.
This issue has been addressed in Weblate 5.13.1 via https://github.com/WeblateOrg/weblate/pull/16002.
Thanks to Nahid Hasan Limon for reporting this issue responsibly.
{
"github_reviewed": true,
"github_reviewed_at": "2025-09-04T14:06:15Z",
"severity": "LOW",
"nvd_published_at": "2025-09-05T00:15:32Z",
"cwe_ids": [
"CWE-613"
]
}