CVE-2025-43866

Vantage6 Server JWT secret not cryptographically secure

State: Published
Severity: 1.7 Low
Published: Jun 12, 2025
Updated: Jun 13, 2025
Reserved: Apr 17, 2025

Description

vantage6 is an open-source infrastructure for privacy preserving analysis. The JWT secret key in the vantage6 server is auto-generated unless defined by the user. The auto-generated key is a UUID1, which is not cryptographically secure as it is predictable to some extent. This vulnerability is fixed in 4.11.0.

Scores

CVSS	Score	Vector	Source
4.0	1.7 Low	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U	GitHub_M

Weaknesses

CWE-330 Use of Insufficiently Random Values

Affected Products

Product	Versions
vantage6vantage6	< 4.11Affected

References

https://github.com/vantage6/vantage6/security/advisories/GHSA-m3mq-f375-5vgh

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