CVE-2026-55607
CVE-2026-55607: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.1
High [CVE-2026-55607] @anthropic-ai/claude-code: Claude Code: Arbitrary code execution through git directory confusion
CVE-2026-55607Source published Source updated
Claude Code is an agentic coding tool. From 2.1.38 until 2.1.163, Claude Code's worktree handling allowed creation of worktrees named ".git" and navigation to worktrees outside the sandbox context, enabling git directory confusion attacks. By exploiting symlink manipulation and git fsmonitor execution during worktree operations, an attacker could overwrite files in the user's home directory (such as.zshenv), leading to code execution outside of seatbelt sandbox restrictions. Reliably exploiting this required the user to clone a malicious repository containing prompt injection content and run Claude Code against it. This vulnerability is fixed in 2.1.163. This vulnerability allowed the creation of specially named worktrees and navigation outside of the intended secure environment, leading…
- Affected products in this advisory
- OpenShift Lightspeed
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 2.1.163
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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