What is CVE-2026-46508?

CVE-2026-46508 is a high-severity vulnerability in Vercel Turborepo, classified under Command Injection. CVSS score: 7.8/10. Published 2026-05-15.

How severe is CVE-2026-46508?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Vercel Turborepo

CVE-2026-46508

Turborepo is a high-performance build system for JavaScript and TypeScript codebases. Prior to 2.9.14000, the Turborepo LSP VS Code extension could execute shell commands derived from workspace-controlled values. The extension used string-…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (6.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Vercel Turborepo — versions < 2.9.14000
Vercel Turborepo_language_server_protocol

Weakness classification (CWE)

CWE-77 — Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-46508?: CVE-2026-46508 is a high-severity vulnerability in Vercel Turborepo, classified under Command Injection. CVSS score: 7.8/10. Published 2026-05-15.
How severe is CVE-2026-46508?: High severity. CVSS v3 base score is 7.8 out of 10.