Application crash via unbounded provider response buffering
Published May 17, 2026 · Updated May 17, 2026
Uncontrolled resource consumption in Vercel AI SDK 3.0.0 through 3.0.97 allows remote authenticated users to crash Node.js applications. The JSON response handlers call response.text() without a size limit, buffering an endless chunked provider response until V8 exhausts its heap. Exploitation requires influence over a custom provider or MCP endpoint, and process termination interrupts every session served by that application.
Summary
What happened
Uncontrolled resource consumption in Vercel AI SDK 3.0.0 through 3.0.97 allows remote authenticated users to crash Node.js applications. The JSON response handlers call response.text() without a size limit, buffering an endless chunked provider response until V8 exhausts its heap. Exploitation requires influence over a custom provider or MCP endpoint, and process termination interrupts every session served by that application.
The record
- CVE
- CVE-2026-8769
- Published
- May 17, 2026
- Updated
- May 17, 2026
- Vendor
- Vercel
- Product
- AI SDK
- Classifications
- CWE-404, CWE-400, T1499.003
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- May 17, 2026CVE publishedPublication date reported by the CVE source.
- May 17, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.0.0
- Affected versionversion=3.0.1
- Affected versionversion=3.0.10
- Affected versionversion=3.0.11
- Affected versionversion=3.0.12
- Affected versionversion=3.0.13
- Affected versionversion=3.0.14
- Affected versionversion=3.0.15
- Affected versionversion=3.0.16
- Affected versionversion=3.0.17
- Affected versionversion=3.0.18
- Affected versionversion=3.0.19
- Affected versionversion=3.0.2
- Affected versionversion=3.0.20
- Affected versionversion=3.0.21
- Affected versionversion=3.0.22
- Affected versionversion=3.0.23
- Affected versionversion=3.0.24
- Affected versionversion=3.0.25
- Affected versionversion=3.0.26
- Affected versionversion=3.0.27
- Affected versionversion=3.0.28
- Affected versionversion=3.0.29
- Affected versionversion=3.0.3
- Affected versionversion=3.0.30
- Affected versionversion=3.0.31
- Affected versionversion=3.0.32
- Affected versionversion=3.0.33
- Affected versionversion=3.0.34
- Affected versionversion=3.0.35
- Affected versionversion=3.0.36
- Affected versionversion=3.0.37
- Affected versionversion=3.0.38
- Affected versionversion=3.0.39
- Affected versionversion=3.0.4
- Affected versionversion=3.0.40
- Affected versionversion=3.0.41
- Affected versionversion=3.0.42
- Affected versionversion=3.0.43
- Affected versionversion=3.0.44
- Affected versionversion=3.0.45
- Affected versionversion=3.0.46
- Affected versionversion=3.0.47
- Affected versionversion=3.0.48
- Affected versionversion=3.0.49
- Affected versionversion=3.0.5
- Affected versionversion=3.0.50
- Affected versionversion=3.0.51
- Affected versionversion=3.0.52
- Affected versionversion=3.0.53
- Affected versionversion=3.0.54
- Affected versionversion=3.0.55
- Affected versionversion=3.0.56
- Affected versionversion=3.0.57
- Affected versionversion=3.0.58
- Affected versionversion=3.0.59
- Affected versionversion=3.0.6
- Affected versionversion=3.0.60
- Affected versionversion=3.0.61
- Affected versionversion=3.0.62
- Affected versionversion=3.0.63
- Affected versionversion=3.0.64
- Affected versionversion=3.0.65
- Affected versionversion=3.0.66
- Affected versionversion=3.0.67
- Affected versionversion=3.0.68
- Affected versionversion=3.0.69
- Affected versionversion=3.0.7
- Affected versionversion=3.0.70
- Affected versionversion=3.0.71
- Affected versionversion=3.0.72
- Affected versionversion=3.0.73
- Affected versionversion=3.0.74
- Affected versionversion=3.0.75
- Affected versionversion=3.0.76
- Affected versionversion=3.0.77
- Affected versionversion=3.0.78
- Affected versionversion=3.0.79
- Affected versionversion=3.0.8
- Affected versionversion=3.0.80
- Affected versionversion=3.0.81
- Affected versionversion=3.0.82
- Affected versionversion=3.0.83
- Affected versionversion=3.0.84
- Affected versionversion=3.0.85
- Affected versionversion=3.0.86
- Affected versionversion=3.0.87
- Affected versionversion=3.0.88
- Affected versionversion=3.0.89
- Affected versionversion=3.0.9
- Affected versionversion=3.0.90
- Affected versionversion=3.0.91
- Affected versionversion=3.0.92
- Affected versionversion=3.0.93
- Affected versionversion=3.0.94
- Affected versionversion=3.0.95
- Affected versionversion=3.0.96
- Affected versionversion=3.0.97
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Unbounded Provider Response Application DoS proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo