CVE-2026-8767

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

HIGH
7.5
CVSS Score
Published: May 17, 2026 at 10:30 PM UTC
Updated: October 14, 2026 at 08:10 PM UTC
1 product affected across 1 vendorAI SDK

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Severity
HIGH7.5
Exploit prediction
EPSS 7%
SSVC
PoC

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/364392
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/364392/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/811402

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78CWE-77

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