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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.

1.3 CVSS 4.0 Low EPSS 7.0% · top 6.1% CWE-77 · Command injectionCWE-78 · OS command injection
1.3CVSS 4.0 base score, v2 4.6
7.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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

LinkTags
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.

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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.