# CVE-2026-8769: vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption

> CVE-2026-8769: vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-8769
Last updated: 2026-10-14T20:10:00Z

- Published: 2026-05-17 23:00 UTC · Updated: 2026-10-14 20:10 UTC · Assigner: VulDB
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
- EPSS: 0.56%, 46th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-400, CWE-404

## 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.

## Affected vendors and products

- vercel: ai

## Tracked companies

- [Vercel](https://rewindex.com/company/vercel.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-8769)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-8769)
- [https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb](https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb)
- [https://vuldb.com/submit/811406](https://vuldb.com/submit/811406)
- [https://vuldb.com/vuln/364394](https://vuldb.com/vuln/364394)
- [https://vuldb.com/vuln/364394/cti](https://vuldb.com/vuln/364394/cti)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-8769 · Markdown: https://rewindex.com/cve/CVE-2026-8769.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-8769 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:08:57.477Z