What’s Vulnerable › Vulnerabilities

CVE-2023-41882: vantage6 Improper Access Control vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-11 · updated 2026-06-17
• Weakness: CWE-284

Description

vantage6 is privacy preserving federated learning infrastructure. The endpoint /api/collaboration/{id}/task is used to collect all tasks from a certain collaboration. To get such tasks, a user should have permission to view the collaboration and to view the tasks in it. However, prior to version 4.0.0, it is only checked if the user has permission to view the collaboration. Version 4.0.0 contains a patch. There are no known workarounds.

Affected products

• vantage6: before 4.0.0 — fixed in 4.0.0

How to fix

Upgrade to a fixed version: vantage6 4.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/vantage6/vantage6/blob/0682c4288f43fee5bcc72dc448cdd99bd7e57f76/docs/release_notes.rst#400
• https://github.com/vantage6/vantage6/pull/711
• https://github.com/vantage6/vantage6/security/advisories/GHSA-gc57-xhh5-m94r
• https://github.com/vantage6/vantage6/blob/0682c4288f43fee5bcc72dc448cdd99bd7e57f76/docs/release_notes.rst#400
• https://github.com/vantage6/vantage6/pull/711
• https://github.com/vantage6/vantage6/security/advisories/GHSA-gc57-xhh5-m94r

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