CVE-2025-43863
criticalpriority · track · 39EPSS 0.005 · 40 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 1.7–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-j6g5-p62x-58hwvantage6 lacks brute-force protection on change password functionality2025-06-12ghsa · osvUS
### Impact 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 ### Patches This issue has been patched in version 4.11.0 ### Workarounds None
- PYSEC-2025-2202025-06-12vendor · osvUS
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.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-43863cnnvd
- https://github.com/vantage6/vantage6/releasesPatchcnnvd
- https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hwcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-43863cnnvd
- https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hwenisa_euvd
- https://github.com/vantage6/vantage6/security/advisories/GHSA-j6g5-p62x-58hwVendor Advisorynvd
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