CVE-2026-8767: A vulnerability has been found in vercel ai up to 3.0.97

Q: How do I fix CVE-2026-8767?

ai: upgrade to newer than 3.0.97. Exact commands for each OS are on this page.

Q: Is CVE-2026-8767 being exploited?

CVE-2026-8767 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8767 affect?

CVE-2026-8767 affects ai. Severity is medium (CVSS 5.0). 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. Th

Q: How urgent is CVE-2026-8767?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2026-8767 is a medium-severity flaw (CVSS 5.0) affecting ai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	7.0% (top 6%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2026-05-17
Last modified	2026-10-14

Publisher (CNA): VulDB · Vendor: vercel

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-17 23:17 UTCPublished CVE record published
2026-10-14 20:10 UTCUpdated Record last modified

vercel ai UPGRADE

Affected: <= 3.0.97

Fixed in: newer than 3.0.97

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ai || rpm -q ai || ai --version

2. UPGRADE to newer than 3.0.97 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ai

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ai

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8767?

ai: upgrade to newer than 3.0.97. Exact commands for each OS are on this page.

Is CVE-2026-8767 being exploited?

CVE-2026-8767 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8767 affect?

CVE-2026-8767 affects ai. Severity is medium (CVSS 5.0). 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. Th

How urgent is CVE-2026-8767?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

Software pages

GitHub vulnerabilities

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References

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