CVE-2026-42074

9.8 CRITICAL
Published: June 02, 2026 Modified: June 03, 2026
View on NVD

Description

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the dangerouslyDisableSandbox parameter is exposed as part of the BashTool input schema, meaning the LLM (an untrusted principal per the project's own threat model) can set it to true in any tool_use response. Combined with the default allowUnsandboxedCommands: true setting, a prompt-injected model can escape the sandbox for any arbitrary command, achieving full host-level code execution. This issue has been patched in version 0.5.1.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/Gitlawb/openclaude/pull/778
Source: security-advisories@github.com
Issue Tracking Patch
https://github.com/Gitlawb/openclaude/security/advisories/GHSA-m77w-p5jj-xmhg
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/Gitlawb/openclaude/security/advisories/GHSA-m77w-p5jj-xmhg
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.1%
22th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

gitlawb