CVE-2026-8768
vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery
- State
- Published
- Severity
- 6.9 Medium
- Published
- May 17, 2026
- Updated
- May 18, 2026
- Reserved
- May 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 7.3 High | 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 | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
aivercel |
|
References
- VDB-364393 | vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgeryvdb-entrytechnical-description
- VDB-364393 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #811404 | vercel ai @ai-sdk/amazon-bedrock@3.0.97 Server-Side Request Forgery (SSRF) (CWE-918)third-party-advisory
- Submit #811405 | vercel ai @ai-sdk/amazon-bedrock@3.0.97 Server-Side Request Forgery (SSRF) (CWE-918) (Duplicate)third-party-advisory
- https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71related
- https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847fexploit
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