Claude Code Arbitrary Code Execution via Insufficient Startup Warning
Claude Code
Claude Code failed to properly document that selecting yes to trust folder files allowed the tool to execute them without extra confirmation. The warning prompt was updated to clarify this functionality and prevent accidental execution.
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
- fix status
- Fix status unknown
- first report
- 3 Sep 2025
- last update
- 3 Sep 2025
Timeline · 1
Sources · 1
Advisories and databases
- 2025-09-03GHSA-ph6w-f82w-28w6: Claude Code Vulnerable to Arbitrary Code Execution Due to Insufficient Startup WarningGitHub Advisory Database · github.com/advisories/GHSA-ph6w-f82w-28w6
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Anthropic, Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 3 Sep 2025 · first reported 3 Sep 2025
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# Claude Code Arbitrary Code Execution via Insufficient Startup Warning https://gcdradar.vercel.app/incidents/claude-code-arbitrary-code-execution-via-insufficient-startu · AIR-2025-0330 · closed 2025-09-03 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2025-09-03 - AI role: Attack on AI - Products: Claude Code ## Summary Claude Code failed to properly document that selecting yes to trust folder files allowed the tool to execute them without extra confirmation. The warning prompt was updated to clarify this functionality and prevent accidental execution. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2025-09-03: GHSA-ph6w-f82w-28w6: Claude Code Vulnerable to Arbitrary Code Execution Due to Insufficient Startup Warning (https://github.com/advisories/GHSA-ph6w-f82w-28w6) ## Sources - 2025-09-03 GitHub Advisory Database: GHSA-ph6w-f82w-28w6: Claude Code Vulnerable to Arbitrary Code Execution Due to Insufficient Startup Warning https://github.com/advisories/GHSA-ph6w-f82w-28w6 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
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Patch now · Disclosed · since 3 Oct 2025 · CVE-2025-59829
AI - closed8.7Claude Code + SDKs CVE-2025-59536: Claude Code startup trust dialog code injection vulnerability
Patch now · Disclosed · since 3 Oct 2025 · CVE-2025-59536
AI - closed7.7Claude Code + SDKs CVE-2025-59828: Claude Code vulnerable to arbitrary code execution via Yarn
Patch now · Disclosed · since 24 Sep 2025 · CVE-2025-59828
AI - closed8.7Claude Code + SDKs CVE-2025-58764: Claude Code command parsing bypasses confirmation prompt
Patch now · Disclosed · since 10 Sep 2025 · CVE-2025-58764
AI - closed8.5Claude Code + SDKs CVE-2025-59041: Claude Code arbitrary code execution via git config email
Patch now · Disclosed · since 10 Sep 2025 · CVE-2025-59041
AI - closed7.1Claude Code + SDKs CVE-2025-55284: Claude Code Allowlist Bypass Enables Unauthorized File Read
Patch now · Disclosed · since 18 Aug 2025 · updated 18 Aug 2025 · CVE-2025-55284
AI