CVE-2026-8769: @ai-sdk/provider-utils has an Uncontrolled Resource Consumption issue

May 18, 2026 (updated May 29, 2026)

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

gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb
github.com/advisories/GHSA-866g-f22w-33x8
nvd.nist.gov/vuln/detail/CVE-2026-8769
vuldb.com/submit/811406
vuldb.com/vuln/364394
vuldb.com/vuln/364394/cti

Code Behaviors & Features

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