CVE-2026-26062

medium
Published 2026-05-14 · Modified 2026-05-15
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2
VIR risk
6.5

Description

Fleet server may terminate unexpectedly when handling certain gRPC requests

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/fleetdm/fleet/security/advisories/GHSA-x67p-9m2r-fxqv

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/fleetdm/fleet/releases/tag/fleet-v4.81.0

Package impact

EcosystemPackageVulnerableFixed
golang Gogithub.com/fleetdm/fleet/v4<4.81.04.81.0
golang GOgithub.com/fleetdm/fleet/v4< 4.81.04.81.0

Application impact

VendorProductVersionsFixed
fleetdmfleet{"endExcluding":"4.81.0"}4.81.0

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.