CVE-2026-109375

MediumCVSS 6.1/10Last modified Oct 16, 2026

Description

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 12, 2026
Last modified
Oct 16, 2026
NVD status
Deferred

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CVE-2026-109375: Medium severity, CVSS 6.1 | Vulnix