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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.

PUBLISHED Reserved 2025-11-10 | Published 2025-11-21 | Updated 2025-11-24 | Assigner GitHub_M




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

< 2.0.31
affected

References

github.com/...e-code/security/advisories/GHSA-7mv8-j34q-vp7q

cve.org (CVE-2025-64755)

nvd.nist.gov (CVE-2025-64755)

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