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Vulnerability record · CVE-2026-35570 · published 21 April 2026

CVE-2026-35570: Gitlawb openclaude path traversal vulnerability

Gitlawb · Openclaude

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Versions prior to 0.5.1 have a logic flaw in `bashToolHasPermission()` inside `src/tools/BashTool/bashPermissions.ts`. When the sandbox auto-allow feature is active and no explicit deny rule is configured, the function returns an `allow` result immediately — before the path constraint filter (`checkPathConstraints`) is ever evaluated. This allows commands containing path traversal sequences (e.g., `../../../../../etc/passwd`) to bypass directory restrictions entirely. Version 0.5.1 contains a patch for the issue.

8.4 CVSS 3.1 High EPSS 0.19% · top 92.5% CWE-22 · Path traversalCWE-284 · Improper access control
8.4CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Versions prior to 0.5.1 have a logic flaw in `bashToolHasPermission()` inside `src/tools/BashTool/bashPermissions.ts`. When the sandbox auto-allow feature is active and no explicit deny rule is configured, the function returns an `allow` result immediately — before the path constraint filter (`checkPathConstraints`) is ever evaluated. This allows commands containing path traversal sequences (e.g., `../../../../../etc/passwd`) to bypass directory restrictions entirely. Version 0.5.1 contains a patch for the issue.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected products

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

References

LinkTags
https://github.com/Gitlawb/openclaude/commit/7002cb302b78ea2a19da3f26226de24e2903fa1d Patch
https://github.com/Gitlawb/openclaude/security/advisories/GHSA-m6rx-7pvw-2f73 ExploitMitigationVendor Advisory
https://github.com/Gitlawb/openclaude/security/advisories/GHSA-m6rx-7pvw-2f73 ExploitMitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-35570), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.