CVE-2026-82256

SvelteKit before 2.69.1 Denial of Service via Remote Form

Published Aug 28, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Svelte sveltekit
CPEs cpe:2.3:a:svelte:sveltekit:*:*:*:*:*:node.js:*:*
Vendors & Products Svelte sveltekit
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title SvelteKit before 2.69.1 Denial of Service via Remote Form
First Time appeared Svelte
Svelte kit
Weaknesses CWE-400
CPEs cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*
Vendors & Products Svelte
Svelte kit
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:25 PM
Reserved
Aug 28, 2026, 10:39 AM
Status
Analyzed
Published
Aug 28, 2026, 12:16 PM
Modified
Oct 8, 2026, 4:17 PM