CVE-2026-82260
SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 28, 2026
- Updated
- Oct 8, 2026
- Reserved
- Aug 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
kitsveltejs |
|
References
- GitHub Security Advisory (GHSA-vrhm-gvg7-fpcf)vendor-advisory
- VulnCheck Advisory: SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserializationthird-party-advisory
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