CVE-2026-8769
vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption
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.
INFO
Published Date :
May 17, 2026, 11:17 p.m.
Last Modified :
May 19, 2026, 3:27 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update vercel ai to the latest version.
- Apply vendor patches once available.
- Monitor system resource usage.
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-2026-8769.
| URL | Resource |
|---|---|
| https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb | Exploit Third Party Advisory |
| https://vuldb.com/submit/811406 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364394 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/364394/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-2026-8769 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-2026-8769
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-2026-8769 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8769 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:L/UI:N/S:U/C:N/I:N/A:H 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/fb1096bc8428bed9a428f764d9d103bb Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/811406 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/364394 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/364394/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 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-404 Added CWE CWE-400 Added Reference https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb Added Reference https://vuldb.com/submit/811406 Added Reference https://vuldb.com/vuln/364394 Added Reference https://vuldb.com/vuln/364394/cti