CVE-2025-43863CRITICAL 9.8EPSS p31.3%
CVE-2025-43863CVE-2025-43863
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.
Scoring
| CVSS 3.1 | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.40% probability of exploitation · percentile 31.3% · 2026-06-19T12:03:05Z |
| Published | 2025-06-12 |
| Last modified | 2025-09-17 |
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Restriction of Excessive Authentication Attemptscwe-307 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.