What is CVE-2026-26062?

CVE-2026-26062 is a medium-severity vulnerability in Fleetdm Fleet, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-05-14.

How severe is CVE-2026-26062?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Fleetdm Fleet

CVE-2026-26062

Fleet is open source device management software. Prior to version 4.81.0, Fleet contained a denial-of-service (DoS) issue in the gRPC Launcher `PublishLogs` endpoint. In affected versions, certain unexpected input values were not handled g…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fleetdm Fleet — versions < 4.81.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-26062?: CVE-2026-26062 is a medium-severity vulnerability in Fleetdm Fleet, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-05-14.
How severe is CVE-2026-26062?: Medium severity. CVSS v3 base score is 6.5 out of 10.