GCD AI RADAR
incidents/AIR-2026-0868

CVE-2026-55607: Claude Code sandbox escape via git worktree path confusion

Attack on AI2 Disclosed vulnerabilityPrompt injectionInfrastructure vulnerability

Claude Code worktree handling permitted path confusion and symlink manipulation when combined with malicious repository prompts. This enabled arbitrary code execution outside sandbox restrictions.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Prompt injectionprimary
    Untrusted content (web pages, documents, emails, tool output) steers a model into ignoring its instructions.
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Anthropic, Framework / tooling
products
Claude Code
incident date
24 Jul 2026
first reported
29 Jun 2026
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
CVE-2026-55607 · sandbox-escape · prompt-injection
record
created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json

Sources · 2

  1. 2026-06-29
    CVE-2026-55607: Claude Code is an agentic coding tool.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-55607
  2. 2026-07-24
    CVE-2026-55607: Claude Code: Sandbox Escape via Git Worktree Path Confusion Allows Unsandboxed Code Execution
    GitHub Advisory Database · github.com/advisories/GHSA-7835-87q9-rgvv

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