Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-39861 · Microsoft / collected KEV context

EUVD-2026-24033

GHSA-vp62-r36r-9xqp

cve-program · CVE-2026-39861

• https://github.com/anthropics/claude-code/security/advisories/GHSA-vp62-r36r-9xqp

euvd · EUVD-2026-24033

• https://github.com/anthropics/claude-code/security/advisories/GHSA-vp62-r36r-9xqp

nvd · CVE-2026-39861

• https://github.com/anthropics/claude-code/security/advisories/GHSA-vp62-r36r-9xqp

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

No related operational record is retained in the current change model.