CVE-2025-43863: vantage6 lacks brute-force protection on change password functionality

June 12, 2025

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

References

github.com/advisories/GHSA-j6g5-p62x-58hw
github.com/vantage6/vantage6
github.com/vantage6/vantage6/commit/e0f1841b310f6f610e8137db2506cf683ce154d0
github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hw
nvd.nist.gov/vuln/detail/CVE-2025-43863

Code Behaviors & Features

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