CVE-2026-35570: OpenClaude is an open-source coding-agent command line interface for cloud and local model providers

Q: How do I fix CVE-2026-35570?

openclaude: upgrade to 0.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-35570 being exploited?

CVE-2026-35570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-35570 affect?

CVE-2026-35570 affects openclaude. Severity is high (CVSS 8.4). 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 au

Q: How urgent is CVE-2026-35570?

Priority 38/100. High severity; Public exploit reference

Routine

HIGH 8.4UPGRADE

CVE-2026-35570 is a high-severity flaw (CVSS 8.4) affecting openclaude. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-22, CWE-284
Published	2026-04-21
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: gitlawb

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-21 00:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

gitlawb openclaude UPGRADE

Affected: < 0.5.1

Fixed in: 0.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy openclaude || rpm -q openclaude || openclaude --version

2. UPGRADE to 0.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade openclaude

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openclaude

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35570?

openclaude: upgrade to 0.5.1. Exact commands for each OS are on this page.

Is CVE-2026-35570 being exploited?

CVE-2026-35570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35570 affect?

CVE-2026-35570 affects openclaude. Severity is high (CVSS 8.4). 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 au

How urgent is CVE-2026-35570?

Priority 38/100. High severity; Public exploit reference

References

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