CVE-2026-8769

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 did not respond in any way.

CVSS 4.0

2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-25)

CWEs

CWE-400, CWE-404

Published

2026-05-17

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• vercel:ai

Packages (OSV)

References

• https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb
• https://vuldb.com/submit/811406
• https://vuldb.com/vuln/364394
• https://vuldb.com/vuln/364394/cti

Check your stackJSON