CVE-2026-8769

vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption

MEDIUM
6.5
CVSS Score
Published: May 17, 2026 at 11:00 PM UTC
Updated: October 14, 2026 at 08:10 PM UTC
1 product affected across 1 vendorAI SDK

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/364394
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/364394/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/811406

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400CWE-404

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