CVE-2026-40502

| EUVD-2026-23141 HIGH
2026-04-16 VulnCheck
8.7
CVSS 4.0
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CVSS VectorNVD

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:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Updated
Apr 16, 2026 - 01:44 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 16, 2026 - 01:38 vuln.today
cvss_changed
CVSS Changed
Apr 16, 2026 - 01:38 NVD
8.8 (HIGH) 8.7 (HIGH)
Analysis Generated
Apr 16, 2026 - 01:19 vuln.today

DescriptionNVD

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.

AnalysisAI

Remote command injection in OpenHarness gateway handler allows authenticated remote chat users to execute administrative commands like /permissions full_auto without authorization, escalating privileges to modify security controls of running instances. Vulnerability exploits insufficient command validation in chat interface. …

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RemediationAI

Within 24 hours: Identify all OpenHarness deployments and document current versions. Within 7 days: Apply vendor patch from commit dd1d235 or later to all OpenHarness instances and verify deployment. …

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CVE-2026-40502 vulnerability details – vuln.today

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