CVE-2025-43866

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/vantage6/vantage6/security/advisories/GHSA-m3mq-f375-5vgh	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:vantage6:vantage6:*:*:*:*:*:*:*:*

History

17 Sep 2025, 18:44

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://github.com/vantage6/vantage6/security/advisories/GHSA-m3mq-f375-5vgh -~~	() https://github.com/vantage6/vantage6/security/advisories/GHSA-m3mq-f375-5vgh - Vendor Advisory
First Time		Vantage6 Vantage6 vantage6
CPE		cpe:2.3:a:vantage6:vantage6::::::::

16 Jun 2025, 12:32

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-06-12 18:15

Updated : 2025-09-17 18:44

NVD link : CVE-2025-43866

Mitre link : CVE-2025-43866

CVE.ORG link : CVE-2025-43866

JSON object : View

Products Affected

vantage6

vantage6

CWE

CWE-330

Use of Insufficiently Random Values

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