GHSA-7mv8-j34q-vp7q
Suggest an improvement- Source
- https://github.com/advisories/GHSA-7mv8-j34q-vp7q
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-7mv8-j34q-vp7q/GHSA-7mv8-j34q-vp7q.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-7mv8-j34q-vp7q
- Aliases
-
- CVE-2025-64755
- Published
- 2025-11-20T21:28:08Z
- Modified
- 2025-11-21T15:32:13Z
- Severity
-
- 8.7 (High) CVSS_V4 - 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 CVSS Calculator
- Summary
- @anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
- Details
-
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.
Users on standard Claude Code auto-update will have received this fix automatically. Users performing manual updates are advised to update to the latest version.
Thank you to Adam Chester - SpecterOps for reporting this issue!
- Database specific
{ "cwe_ids": [ "CWE-78" ], "github_reviewed": true, "github_reviewed_at": "2025-11-20T21:28:08Z", "nvd_published_at": "2025-11-21T02:15:43Z", "severity": "HIGH" }- References
Affected packages
npm / @anthropic-ai/claude-code
Package
- Name
- @anthropic-ai/claude-code
- View open source insights on deps.dev
- Purl
- pkg:npm/%40anthropic-ai/claude-code