CVE-2026-8768

Name: CVE-2026-8768
Creator: NVD / NIST
Published: 2026-05-17T23:17:02.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-8768 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0

5.5/10

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/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

EPSS Probability

0.39%

30.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Vercel	Ai	<= 3.0.97

References

https://gist.github.com/YLChen-007/07d149bd68adbee58165b4207a2abc71Not Applicable
https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847fExploit, Third Party Advisory
https://vuldb.com/submit/811404Third Party Advisory, VDB Entry
https://vuldb.com/submit/811405Third Party Advisory, VDB Entry
https://vuldb.com/vuln/364393Third Party Advisory, VDB Entry
https://vuldb.com/vuln/364393/ctiPermissions Required, VDB Entry

Timeline

Published: May 17, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-8768?

How severe is CVE-2026-8768?

CVE-2026-8768 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-8768?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-8768?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST