CVE-2026-39861
1 advisory.
npm/@anthropic-ai/claude-code CVE-2026-39861: critical 10, EPSS 0.80%
Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace
Action: Upgrade @anthropic-ai/claude-code to 2.1.64 or later.
npm i @anthropic-ai/claude-code@2.1.64Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.1.64 | - |
Fixed versions
| 2.1.64 |
Sources
- osv: GHSA-vp62-r36r-9xqp
- https://github.com/anthropics/claude-code/security/advisories/GHSA-vp62-r36r-9xqp
- https://nvd.nist.gov/vuln/detail/CVE-2026-39861
- https://github.com/anthropics/claude-code
CVE-2026-39861 · published · modified · JSON