CVE-2026-82256
Published:August 28, 2026
Updated:September 24, 2026
SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads. Repeated exploitation causes denial of service by repeatedly crashing the application process.
Affected Packages
https://github.com/sveltejs/kit.git (GITHUB):
Affected version(s) >=@sveltejs/kit@2.0.0 <@sveltejs/kit@2.69.1Fix Suggestion:
Update to version @sveltejs/kit@2.69.1@sveltejs/kit (NPM):
Affected version(s) >=0.0.8 <2.69.1Fix Suggestion:
Update to version 2.69.1Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
EPSS
Base Score:
0.25