{"id":"CVE-2025-43863","aliases":["GHSA-j6g5-p62x-58hw","PYSEC-2025-220"],"url":"https://o3.security/vulnerability/CVE-2025-43863","summary":"vantage6 lacks brute-force protection on change password functionality","details":"vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality: they can call that route infinitely which will return the message that password is wrong until it is correct. This vulnerability is fixed in 4.11.","published":"2025-06-12T17:29:57.047Z","modified":"2026-08-12T03:51:31.906931203Z","cvss":null,"epss":{"score":0.0047,"percentile":0.3956,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"vantage6","fixedVersion":"4.11.0"}],"fix":{"url":"https://github.com/vantage6/vantage6/commit/e0f1841b310f6f610e8137db2506cf683ce154d0","label":"vantage6/vantage6@e0f1841"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43863.json"},{"type":"ADVISORY","url":"https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43863"},{"type":"WEB","url":"https://github.com/vantage6/vantage6/commit/e0f1841b310f6f610e8137db2506cf683ce154d0"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2025-220.yaml"},{"type":"PACKAGE","url":"https://github.com/vantage6/vantage6"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:31.906931203Z"}}