Is CVE-2025-64755 actively exploited?

CVE-2025-64755 has no public evidence of in-the-wild exploitation as of 2025-12-04.

What is the CVSS score for CVE-2025-64755?

CVE-2025-64755 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-2025-64755?

Patch guidance is available from anthropic security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-64755.

Which products are affected by CVE-2025-64755?

1 product: anthropic claude code.

Fix CVE-2025-64755 - HIGH anthropic claude code

Description

Claude Code is an agentic coding tool. Prior to version 2.0.31, due to an error in sed command parsing, it was possible to bypass the Claude Code read-only validation and write to arbitrary files on the host system. This issue has been patched in version 2.0.31.

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-78 · OS Command Injection

Metadata

Primary Vendor: ANTHROPIC
Published: 11/21/2025
Last Modified: 12/4/2025
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-2025-64755. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-64755

View on NIST NVD

CVE-2025-64755 vulnerability