CVE-2026-8769

medium

Description

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.

References

https://vuldb.com/vuln/364394/cti

https://vuldb.com/vuln/364394

https://vuldb.com/submit/811406

https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb

Details

Source: Mitre, NVD

Published: 2026-05-17

Updated: 2026-05-18

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 4.3

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

Severity: Medium

CVSS v4

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.00037