CVE-2026-8767

MEDIUM

vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-364392 | vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
https://vuldb.com/vuln/364392
Signature, Permissions Required signature permissions-required
VDB-364392 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/364392/cti
Third Party Advisory third-party-advisory
Submit #811402 | vercel ai @ai-sdk/[email protected] OS Command Injection (CWE-78)
https://vuldb.com/submit/811402

Scores

CVSS v3 5.0
EPSS 0.0426
EPSS Percentile 89.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-77 CWE-78
Status published
Products (50)
vercel/ai < 3.0.97
vercel/ai 3.0.0
vercel/ai 3.0.1
vercel/ai 3.0.10
vercel/ai 3.0.11
vercel/ai 3.0.12
vercel/ai 3.0.13
vercel/ai 3.0.14
vercel/ai 3.0.15
vercel/ai 3.0.16
... and 40 more
Published May 17, 2026
Tracked Since May 18, 2026