{"id":"GHSA-7mv8-j34q-vp7q","revision":"2ba605823d3c40a2a4063c28025a1561","records":[{"revision":"2ba605823d3c40a2a4063c28025a1561","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-7mv8-j34q-vp7q","aliases":["CVE-2025-64755"],"title":"@anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes","description":"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. \n\nUsers on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates are advised to update to the latest version.\n\nThank you to Adam Chester - SpecterOps for reporting this issue!","state":0,"publishedAt":"2025-11-20T21:28:08+00:00","modifiedAt":"2025-11-21T15:32:13+00:00","affected":[{"ecosystem":"npm","name":"@anthropic-ai/claude-code","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.0.31"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","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","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/anthropics/claude-code/security/advisories/GHSA-7mv8-j34q-vp7q","https://nvd.nist.gov/vuln/detail/CVE-2025-64755","https://github.com/anthropics/claude-code"],"sourceUrl":"https://github.com/advisories/GHSA-7mv8-j34q-vp7q","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-7mv8-j34q-vp7q","identifiers":["GHSA-7mv8-j34q-vp7q","CVE-2025-64755"]},"retained":false,"historicalAffected":[]}],"coverage":[]}