vercel ai up to 3.0.97 provider-utils download-blob.ts validateDownloadUrl server-side request forgery

Summaryinfo

A vulnerability, which was classified as critical, has been found in vercel ai up to 3.0.97. The impacted element is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. This manipulation causes server-side request forgery. This vulnerability appears as CVE-2026-8768. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical was found in vercel ai up to 3.0.97. Affected by this vulnerability is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at gist.github.com. This vulnerability is known as CVE-2026-8768. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30713). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• vercel

Name

• ai

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.18
• 3.0.19
• 3.0.20
• 3.0.21
• 3.0.22
• 3.0.23
• 3.0.24
• 3.0.25
• 3.0.26
• 3.0.27
• 3.0.28
• 3.0.29
• 3.0.30
• 3.0.31
• 3.0.32
• 3.0.33
• 3.0.34
• 3.0.35
• 3.0.36
• 3.0.37
• 3.0.38
• 3.0.39
• 3.0.40
• 3.0.41
• 3.0.42
• 3.0.43
• 3.0.44
• 3.0.45
• 3.0.46
• 3.0.47
• 3.0.48
• 3.0.49
• 3.0.50
• 3.0.51
• 3.0.52
• 3.0.53
• 3.0.54
• 3.0.55
• 3.0.56
• 3.0.57
• 3.0.58
• 3.0.59
• 3.0.60
• 3.0.61
• 3.0.62
• 3.0.63
• 3.0.64
• 3.0.65
• 3.0.66
• 3.0.67
• 3.0.68
• 3.0.69
• 3.0.70
• 3.0.71
• 3.0.72
• 3.0.73
• 3.0.74
• 3.0.75
• 3.0.76
• 3.0.77
• 3.0.78
• 3.0.79
• 3.0.80
• 3.0.81
• 3.0.82
• 3.0.83
• 3.0.84
• 3.0.85
• 3.0.86
• 3.0.87
• 3.0.88
• 3.0.89
• 3.0.90
• 3.0.91
• 3.0.92
• 3.0.93
• 3.0.94
• 3.0.95
• 3.0.96
• 3.0.97

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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CVSSv4info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #811404: vercel ai @ai-sdk/[email protected] Server-Side Request Forgery (SSRF) (CWE-918) (by Eric-f)

Duplicate

• Submit #XXXXXX: Xxxxxx Xx @xx-xxx/[email protected] Xxxxxx-xxxx Xxxxxxx Xxxxxxx (xxxx) (xxx-xxx) (by Eric-f)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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