CVE-2025-43866 - CVE House
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Status published Low CVE-2025-43866

Vantage6 Server JWT secret not cryptographically secure

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

vantage6
Vulnerable Versions:
< 4.11

Timeline

Official Publish: June 12th, 2025
Last Modified: June 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.