CVE-2026-8769: A vulnerability was determined in vercel ai up to 3.0.97

Q: How do I fix CVE-2026-8769?

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

Q: Is CVE-2026-8769 being exploited?

CVE-2026-8769 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-2026-8769 affect?

CVE-2026-8769 affects ai. Severity is medium (CVSS 4.3). A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-ut

Q: How urgent is CVE-2026-8769?

Priority 32/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2026-8769 is a medium-severity flaw (CVSS 4.3) affecting ai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but di

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-400, CWE-404
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-2026-8769?

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

Is CVE-2026-8769 being exploited?

CVE-2026-8769 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-2026-8769 affect?

CVE-2026-8769 affects ai. Severity is medium (CVSS 4.3). A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-ut

How urgent is CVE-2026-8769?

Priority 32/100. Public exploit reference

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References

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