CVE-2026-82256CWE-400denial-of-service

CVE-2026-82256

Medium · published August 28, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
35.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS
0.00423 · 35.5th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-08-28T16:16Z
Affected products (1)
ProductVersionsFixed in
svelte/sveltekit< 2.69.12.69.1
References (2)
https://github.com/sveltejs/kit/security/advisories/GHSA-wqjv-9729-c5q2 · [email protected]https://www.vulncheck.com/advisories/sveltekit-before-2.69.1-denial-of-service-via-remote-form · [email protected]
EPSS history
Timeline
  • 30 AUG 16:19Z
    EPSS moved — → 0%
    epss
  • 28 AUG 10:49Z
    SvelteKit before 2.69.1 Denial of Service via Remote Form
    cvelistv5