What is CVE-2026-56696?

CVE-2026-56696 is a medium-severity vulnerability in Hkuds Openharness, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-06-23.

How severe is CVE-2026-56696?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Hkuds Openharness

CVE-2026-56696

OpenHarness /issue and /pr_comments slash commands lack remote_invocable=False protection, allowing remote channel senders to write attacker-controlled Markdown into project context files. Admitted remote attackers can inject malicious con…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Hkuds Openharness — versions 0, 27bb93b810e9ea8fa4832eab7152eeb3b4a6bffb

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56696?: CVE-2026-56696 is a medium-severity vulnerability in Hkuds Openharness, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-06-23.
How severe is CVE-2026-56696?: Medium severity. CVSS v3 base score is 5.4 out of 10.