What’s Vulnerable › Vulnerabilities

CVE-2023-22738: Improper Preservation of Permissions in vantage6

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-01 · updated 2026-06-17
• Weakness: CWE-281

Description

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Assigning existing users to a different organizations is currently possible. It may lead to unintended access: if a user from organization A is accidentally assigned to organization B, they will retain their permissions and therefore might be able to access stuff they should not be allowed to access. This issue is patched in version 3.8.0.

Affected products

• vantage6: before 3.6.1; from 3.7.0 through 3.7.3; 3.8.0-rc1, 3.8.0-rc2, 3.8.0-rc3 — fixed in 3.6.1

How to fix

Upgrade to a fixed version: vantage6 3.6.1. Check the vendor advisory for mitigations.

References

• https://github.com/vantage6/vantage6/commit/798aca1de142a4eca175ef51112e2235642f4f24
• https://github.com/vantage6/vantage6/security/advisories/GHSA-vvjv-97j8-94xh
• https://github.com/vantage6/vantage6/commit/798aca1de142a4eca175ef51112e2235642f4f24
• https://github.com/vantage6/vantage6/security/advisories/GHSA-vvjv-97j8-94xh

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