Advisory Database
  • Advisories
  • Dependency Scanning
  1. pypi
  2. ›
  3. vantage6-server
  4. ›
  5. CVE-2025-43866

CVE-2025-43866: Vantage6 Server JWT secret not cryptographically secure

June 12, 2025 (updated June 8, 2026)

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

References

  • github.com/advisories/GHSA-m3mq-f375-5vgh
  • github.com/pypa/advisory-database/tree/main/vulns/vantage6-server/PYSEC-2025-221.yaml
  • github.com/vantage6/vantage6/commit/e39a262faf1cd4c554bf1b8e57eeea082da995c0
  • github.com/vantage6/vantage6/security/advisories/GHSA-m3mq-f375-5vgh
  • nvd.nist.gov/vuln/detail/CVE-2025-43866

Code Behaviors & Features

Detect and mitigate CVE-2025-43866 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 4.11.0

Fixed versions

  • 4.11.0

Solution

Upgrade to version 4.11.0 or above.

Impact 5.6 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Learn more about CVSS

Weakness

  • CWE-330: Use of Insufficiently Random Values

Source file

pypi/vantage6-server/CVE-2025-43866.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:16:44 +0000.