CVE-2025-43863

vantage6 lacks brute-force protection on change password functionality

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.

Category

1.7
CVSS
Severity: Low
CVSS 4.0 •
EPSS 0.04%
Affected: vantage6 vantage6
Published at:
Updated at:

References

Link Tags
https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hw

Frequently Asked Questions

What is the severity of CVE-2025-43863?
CVE-2025-43863 has been scored as a low severity vulnerability.
How to fix CVE-2025-43863?
To fix CVE-2025-43863, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43863 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43863 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-43863?
CVE-2025-43863 affects vantage6 vantage6.
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