What is CVE-2026-8767?

CVE-2026-8767 is a medium-severity vulnerability in Vercel Ai, classified under Command Injection. CVSS score: 5.0/10. Published 2026-05-17.

How severe is CVE-2026-8767?

Medium severity. CVSS v3 base score is 5.0 out of 10.

RCE in Vercel Ai

CVE-2026-8767

A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. T…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (54.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Vercel Ai — versions 3.0.0, 3.0.1, 3.0.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-8767?: CVE-2026-8767 is a medium-severity vulnerability in Vercel Ai, classified under Command Injection. CVSS score: 5.0/10. Published 2026-05-17.
How severe is CVE-2026-8767?: Medium severity. CVSS v3 base score is 5.0 out of 10.