Critical severityOSV Advisory· Published Mar 6, 2025· Updated Apr 15, 2026
CVE-2025-27509
CVE-2025-27509
Description
fleetdm/fleet is an open source device management, built on osquery. In vulnerable versions of Fleet, an attacker could craft a specially-formed SAML response to forge authentication assertions, provision a new administrative user account if Just-In-Time (JIT) provisioning is enabled, or create new accounts tied to forged assertions if f MDM enrollment is enabled. This vulnerability is fixed in 4.64.2, 4.63.2, 4.62.4, and 4.58.1.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/fleetdm/fleet/v4Go | >= 4.64.0, < 4.64.2 | 4.64.2 |
github.com/fleetdm/fleet/v4Go | >= 4.63.0, < 4.63.2 | 4.63.2 |
github.com/fleetdm/fleet/v4Go | >= 4.62.0, < 4.62.4 | 4.62.4 |
github.com/fleetdm/fleet/v4Go | >= 4.54.0, < 4.58.1 | 4.58.1 |
github.com/fleetdm/fleet/v4Go | < 4.53.2 | 4.53.2 |
Affected products
3- ghsa-coords2 versionspkg:golang/github.com/fleetdm/fleet/v4pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweed
>= 4.64.0, < 4.64.2+ 1 more
- (no CPE)range: >= 4.64.0, < 4.64.2
- (no CPE)range: < 0.0.20250312T181707-1.1
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-52jx-g6m5-h735ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-27509ghsaADVISORY
- github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bbnvdWEB
- github.com/fleetdm/fleet/releases/tag/fleet-v4.64.2ghsaWEB
- github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735nvdWEB
- pkg.go.dev/vuln/GO-2025-3505ghsaWEB
News mentions
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