Description
SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization. Malformed form data can cause excessive memory allocation, crashing the server process and resulting in denial of service. Fixed in 2.52.2.
Published: 2026-08-28
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 28 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Description SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization. Malformed form data can cause excessive memory allocation, crashing the server process and resulting in denial of service. Fixed in 2.52.2.
Title SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization
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': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Svelte Kit
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-28T10:49:43.651Z

Reserved: 2026-08-28T10:39:30.356Z

Link: CVE-2026-82260

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T12:16:39.100

Modified: 2026-08-28T12:16:39.100

Link: CVE-2026-82260

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T13:30:07Z

Weaknesses