# CVE-2026-8768: vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery

> CVE-2026-8768: vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery. CVSS 7.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-8768
Last updated: 2026-10-14T20:10:00Z

- Published: 2026-05-17 22:45 UTC · Updated: 2026-10-14 20:10 UTC · Assigner: VulDB
- CVSS: 7.3 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- EPSS: 0.46%, 39th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-918

## Description

A vulnerability was found in vercel ai up to 3.0.97. The affected element is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. The manipulation results in server-side request forgery. The attack can be launched remotely. The exploit has been made public and could be used. 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-2026-8768)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-8768)
- [https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71](https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71)
- [https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f](https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f)
- [https://vuldb.com/submit/811404](https://vuldb.com/submit/811404)
- [https://vuldb.com/submit/811405](https://vuldb.com/submit/811405)
- [https://vuldb.com/vuln/364393](https://vuldb.com/vuln/364393)
- [https://vuldb.com/vuln/364393/cti](https://vuldb.com/vuln/364393/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-2026-8768 · Markdown: https://rewindex.com/cve/CVE-2026-8768.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-8768 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:37.885Z