CVE-2025-27509
2 advisories.
Go/github.com/fleetdm/fleet/v4 CVE-2025-27509: critical 9.3, EPSS 0.67%
Fleet has SAML authentication vulnerability due to improper SAML response validation
Action: Upgrade github.com/fleetdm/fleet/v4 to 4.53.2 or later.
go get github.com/fleetdm/fleet/v4@v4.64.2go get github.com/fleetdm/fleet/v4@v4.63.2go get github.com/fleetdm/fleet/v4@v4.62.4go get github.com/fleetdm/fleet/v4@v4.58.1go get github.com/fleetdm/fleet/v4@v4.53.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.64.0 | 4.64.2 | - |
| 4.63.0 | 4.63.2 | - |
| 4.62.0 | 4.62.4 | - |
| 4.54.0 | 4.58.1 | - |
| 0 | 4.53.2 | - |
Fixed versions
| 4.64.2 | 4.63.2 | 4.62.4 | 4.58.1 | 4.53.2 |
Sources
- osv: GHSA-52jx-g6m5-h735
- nvd: CVE-2025-27509
- https://github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735
- https://github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bb
- https://github.com/fleetdm/fleet
- https://github.com/fleetdm/fleet/releases/tag/fleet-v4.64.2
- https://pkg.go.dev/vuln/GO-2025-3505
CVE-2025-27509 · published · modified · JSON
Go/github.com/fleetdm/fleet/v4 CVE-2025-27509: critical 9.3, EPSS 0.67%
Fleet has SAML authentication vulnerability due to improper SAML response validation in github.com/fleetdm/fleet
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2025-3505
- nvd: CVE-2025-27509
- https://github.com/fleetdm/fleet/security/advisories/GHSA-52jx-g6m5-h735
- https://github.com/fleetdm/fleet/commit/718c95e47ad010ad6b8ceb3f3460e921fbfc53bb
- https://github.com/fleetdm/fleet/releases/tag/fleet-v4.64.2
CVE-2025-27509 · published · modified · JSON