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CVE-2026-35570

Gitlawb Openclaude path traversal

8.4 HIGHPublic exploitEPSS 0.19%
  1. Published20 Apr 2026

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 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected products

Gitlawb Openclaude< 0.5.1

Remediation

Fixed in
Gitlawb Openclaude≥ 0.5.1

References

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Frequently asked

Is CVE-2026-35570 being actively exploited?

CVE-2026-35570 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.19%.

How severe is CVE-2026-35570?

CVE-2026-35570 has a CVSS 3.1 base score of 8.4, rated high. EPSS estimates a 0.19% probability of exploitation.

Which products are affected by CVE-2026-35570?

Affected products include Gitlawb Openclaude.

How do I fix CVE-2026-35570?

Upgrade affected software to a fixed version, for example Gitlawb Openclaude 0.5.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-35570 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.