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CVE-2026-8767

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

Published: May 17, 2026Updated: May 19, 2026 Sources: CVE List NVDCWE-77
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
4.3%
Top 10.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-77CWE-78

Affected Products

aivercel
SaaS
OSS Libraries / web-framework
vercelcommercialUSOSS Librariesaka vercel

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0
gist.github.com
https://vuldb.com/submit/811402
vuldb.com
https://vuldb.com/vuln/364392
vuldb.com
and 1 more references View all →

Timeline

Published
May 17, 2026
Last Updated
May 19, 2026

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