Vulnerability record · CVE-2026-8767 · published 17 May 2026
CVE-2026-8767: Vercel ai command injection vulnerability
Vercel · Ai
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. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Description
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. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
| Link | Tags |
|---|---|
| https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0 | ExploitThird Party Advisory |
| https://vuldb.com/submit/811402 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364392 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/364392/cti | Permissions RequiredVDB Entry |
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Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2026-8767), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.