What is CVE-2026-40502?

CVE-2026-40502 is a high-severity vulnerability in Hkuds Openharness, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-04-16.

How severe is CVE-2026-40502?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Hkuds Openharness

CVE-2026-40502

OpenHarness prior to commit dd1d235 contains a command injection vulnerability that allows remote gateway users with chat access to invoke sensitive administrative commands by exploiting insufficient distinction between local-only and remo…

Vulnerability class: Broken Access Control

EPSS: 0.010 (77.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hkuds Openharness — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/HKUDS/OpenHarness/pull/127 (issue-tracking)
github.com/HKUDS/OpenHarness/commit/dd1d235450dd987b20bff01b7bfb02fe8620a0af (patch)
www.vulncheck.com/advisories/openharness-remote-administrative-command-injectio… (third-party-advisory)

Frequently asked questions

What is CVE-2026-40502?: CVE-2026-40502 is a high-severity vulnerability in Hkuds Openharness, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-04-16.
How severe is CVE-2026-40502?: High severity. CVSS v3 base score is 8.8 out of 10.