{"cve":"CVE-2025-43863","nvd":{"published":"2025-06-12T18:15:20.533","modified":"2026-06-17T09:24:40.010","status":"Analyzed","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U","score":1.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-307"],"references":["https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hw"],"products":["vantage6:vantage6"],"source":"nvd","synced_at":"2026-10-19T22:02:23.998251710+00:00"},"epss":{"cve":"CVE-2025-43863","score":0.00466,"percentile":0.4033,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j6g5-p62x-58hw","url":"https://osv.dev/vulnerability/GHSA-j6g5-p62x-58hw","summary":"vantage6 lacks brute-force protection on change password functionality","modified":"2026-06-08T20:00:13.544017625Z","packages":[{"ecosystem":"PyPI","name":"vantage6","purl":"pkg:pypi/vantage6","ranges":["<4.11.0"],"fixed":["4.11.0"]}]},{"id":"PYSEC-2025-220","url":"https://osv.dev/vulnerability/PYSEC-2025-220","summary":"","modified":"2026-05-20T09:19:21.317747Z","packages":[{"ecosystem":"PyPI","name":"vantage6","purl":"pkg:pypi/vantage6","ranges":["<4.11.0"],"fixed":["4.11.0"]}]}],"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."]}