CVE-2026-8768

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.

CVSS v3.1 Score

7.3

HIGH

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

EPSS — Exploit Prediction

0.0039

Probability of exploitation

0.30%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Vendor	Product	Versions
vercel	ai	< 3.0.97

References

Exploits

https://gist.github.com/YLChen-007/cf7e47e4dda392f474ca77a66d1d847f

Other References

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

Frequently Asked Questions

What is CVE-2026-8768? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-8768? +

CVE-2026-8768 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0039, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-8768? +

CVE-2026-8768 affects products from vercel, specifically: ai. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-8768? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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