GHSA-52jx-g6m5-h735: github.com/fleetdm/fleet/v4 fixed in 4.64.2, 4.63.2, 4.62.4 and 2 more

GHSA-52jx-g6m5-h735 PUBLISHED CVSS 9.300000190734863 CRITICAL

Fleet has SAML authentication vulnerability due to improper SAML response validation

Record from GitHub Advisory Database · Published March 6, 2025

github.com/fleetdm/fleet/v4 is fixed in 4.64.2, 4.63.2, 4.62.4 and 2 more (Go Modules)

Fleet has SAML authentication vulnerability due to improper SAML response validation

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
github.com/fleetdm/fleet/v4	Go Modules	4.64.2, 4.63.2, 4.62.4, 4.58.1, 4.53.2

Risk scores

CVSS 4.0

9.300000190734863

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected products

Vendor	Product	Versions
github.com	fleetdm/fleet/v4	4.63.0, 4.62.0, 4.64.0

Timeline

Mar 6, 2025 CVE Published
Apr 30, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GHSA-52jx-g6m5-h735
vulnetix vdb fixes GHSA-52jx-g6m5-h735

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-52jx-g6m5-h735/fixes/registry"

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References

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