Vulnerability in Vantage6
CVE-2025-43863
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 th…
EPSS: 0.004 (31.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vantage6 — versions < 4.11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-43863?
- CVE-2025-43863 is a critical-severity vulnerability in Vantage6, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2025-06-12.
- How severe is CVE-2025-43863?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-43863 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.