CVE-2026-8768

vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery

CVSS 6.9 MEDIUMEPSS 0.4%CWE-918

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.

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

Affected products

vercel · ai

public PoCs found — 1

cve_referencegist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847funverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71 https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f https://vuldb.com/submit/811404 https://vuldb.com/submit/811405 https://vuldb.com/vuln/364393 https://vuldb.com/vuln/364393/cti