CVE-2026-8767

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

1.3CVSS: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

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

7.0% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-25)

CWEs

CWE-77, CWE-78

Published

2026-05-17

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• vercel:ai

References

• https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0
• https://vuldb.com/submit/811402
• https://vuldb.com/vuln/364392
• https://vuldb.com/vuln/364392/cti

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