Vercel Deepsec vulnerabilities

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Published CVEs affecting Vercel Deepsec: 1 record(s), with affected versions and fixes.

CVE-2026-109375 Medium · 6.1 CWE-59 Oct 12, 2026

Vercel deepsec before 1.1.17 Arbitrary File Write via Symlink in Sandbox Tarball Extraction

Vercel deepsec from 0.1.0 before 1.1.17 contains a link following vulnerability in extractTarballLocally that allows sandboxed code to write files outside the sandbox by planting links in result tarballs. Attackers controlling sandbox code, such as a prompt-injected coding agent, can plant symbolic or hard links in the host data directory to write arbitrary files on the orchestrator host.