CVE-2023-23929 — vantage6 is a privacy preserving federated learning infrastructure for secure in

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

01What is this vulnerability?

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

02Affected products

Vendor	Product	Versions
vantage6	vantage6	< 3.8.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-03T23:37:50.748Z
• Last modified: 2025-02-25T15:02:00.830Z

09References

• github.com — https://github.com/vantage6/vantage6/security/advisories/GHSA-4w59-c3gc-rrhp
• github.com — https://github.com/vantage6/vantage6/commit/48ebfca42359e9a6743e9598684585e2522c…