Is CVE-2025-66032 actively exploited?

CVE-2025-66032 has no public evidence of in-the-wild exploitation as of 2025-12-05.

What is the CVSS score for CVE-2025-66032?

CVE-2025-66032 has a CVSS score of 8.7 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-66032?

Patch guidance is available from anthropic security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-66032.

Which products are affected by CVE-2025-66032?

1 product: anthropic claude code.

Fix CVE-2025-66032 - HIGH anthropic claude code

Description

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.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-77 · Command Injection

Metadata

Primary Vendor: ANTHROPIC
Published: 12/3/2025
Last Modified: 12/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

anthropic : claude_code

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-66032. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-66032

View on NIST NVD

CVE-2025-66032 vulnerability