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Vulnerabilities

Vulnerability · CVE-2025-66032

Claude Code is an agentic coding tool.

Published Dec 3, 2025 · catalog updated Dec 3, 2025 · Claude Code is an

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-66032 is not in CISA KEV. FIRST estimates a 69.00% chance of exploitation in the next 30 days. Check whether you run Claude Code is an.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Claude Code is an).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
69.00%
Remediation
Version ranges on file
Affected products
vendor anthropics claude-code < 1.0.93

Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. This vulnerability is fixed in 1.0.93.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor anthropics claude-code < 1.0.93< 1.0.93

How to fix CVE-2025-66032

  • Upgrade

    CVE-2025-66032 lists a fix boundary at 1.0.93. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 1.0.93

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-66032 is not in CISA KEV. FIRST estimates a 69.00% chance of exploitation in the next 30 days. Check whether you run Claude Code is an.

Which versions are affected?

Compare what you have installed with anthropics claude-code < 1.0.93 < 1.0.93. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 69.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 3, 2025 · EUVD

    Detected

    Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. This vulnerability is fixed in 1.0.93.

  2. Dec 3, 2025 · EUVD

    Updated

    Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability to add untrusted content into a Claude Code context window. This vulnerability is fixed in 1.0.93.

Sources

  • EUVDVulnerability recordEUVD-2025-201016

    Claude Code is an agentic coding tool. Prior to 1.0.93, Due to errors in parsing shell commands related to $IFS and short CLI flags, it was possible to bypass the Claude Code read-only validation and trigger arbitrary code execution. Reliably exploiting this requires the ability

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Dec 3, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 27, 2026