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Vulnerability record · CVE-2026-40502 · published 16 April 2026

CVE-2026-40502: Hkuds openharness missing authorization vulnerability

Hkuds · Openharness

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 remote-safe commands in the gateway handler. Attackers can execute administrative commands such as /permissions full_auto through remote chat sessions to change permission modes of a running OpenHarness instance without operator authorization.

8.7 CVSS 4.0 High EPSS 2.1% · top 18.9% CWE-862 · Missing authorization
8.7CVSS 4.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
14 Jul 2026Last modified by NVD

Description

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 remote-safe commands in the gateway handler. Attackers can execute administrative commands such as /permissions full_auto through remote chat sessions to change permission modes of a running OpenHarness instance without operator authorization.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-7551Hkuds openharness os command injection vulnerabilityHKUDS OpenHarness contains a remote code execution vulnerability in the /bridge slash command that allows remote senders accepted by configuration to…EPSS 1.0%8.7CVE-2026-6819Hkuds openharness incorrect default permissions vulnerabilityHKUDS OpenHarness prior to PR #156 remediation exposes plugin lifecycle commands including /plugin install, /plugin enable, /plugin disable, and /rel…EPSS 0.52%8.7CVE-2026-40515Hkuds openharness incorrect authorization vulnerabilityOpenHarness before commit bd4df81 contains a permission bypass vulnerability that allows attackers to read sensitive files by exploiting incomplete p…EPSS 0.36%8.3CVE-2026-6823Hkuds openharness incorrect default permissions vulnerabilityHKUDS OpenHarness prior to PR #147 remediation contains an insecure default configuration vulnerability where remote channels inherit allow_from = ["…EPSS 0.58%7.8CVE-2026-40516Hkuds openharness server-side request forgery (ssrf) vulnerabilityOpenHarness before commit bd4df81 contains a server-side request forgery vulnerability in the web_fetch and web_search tools that allows attackers to…EPSS 0.29%7.1CVE-2026-40503Hkuds openharness path traversal vulnerabilityOpenHarness prior to commit dd1d235 contains a path traversal vulnerability that allows remote gateway users with chat access to read arbitrary files…EPSS 0.46%5.3CVE-2026-6729Hkuds openharness improper authentication vulnerabilityHKUDS OpenHarness prior to PR #159 remediation contains a session key derivation vulnerability that allows authenticated participants in shared chats…EPSS 0.35%9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed

Source: NIST National Vulnerability Database (record CVE-2026-40502), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.