CVE-2026-8768
vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery
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.
INFO
Published Date :
May 17, 2026, 11:17 p.m.
Last Modified :
May 19, 2026, 3:24 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the provider-utils component to a secure version.
- Review and validate all external URL inputs.
- Implement strict URL validation and allowlisting.
- Apply necessary security patches promptly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8768.
| URL | Resource |
|---|---|
| https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71 | Not Applicable |
| https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f | Exploit Third Party Advisory |
| https://vuldb.com/submit/811404 | Third Party Advisory VDB Entry |
| https://vuldb.com/submit/811405 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364393 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364393/cti | Permissions Required VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8768 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8768
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8768 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8768 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 19, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CPE Configuration OR *cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:* versions up to (including) 3.0.97 Added Reference Type VulDB: https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71 Types: Not Applicable Added Reference Type VulDB: https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/811404 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/submit/811405 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/364393 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/364393/cti Types: Permissions Required, VDB Entry -
New CVE Received by [email protected]
May. 17, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-918 Added Reference https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71 Added Reference https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f Added Reference https://vuldb.com/submit/811404 Added Reference https://vuldb.com/submit/811405 Added Reference https://vuldb.com/vuln/364393 Added Reference https://vuldb.com/vuln/364393/cti