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CVE-2026-8769

vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption

CVSS 5.3 MEDIUMEPSS 0.6%CWE-400CWE-404
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/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
vercel · ai
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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