CVE-2026-82260SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-400
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sveltejs kit sveltejs:kit (from the name) | from 2.49.0 before 2.52.1; 2.52.1 not affected | CNA record |
svelte sveltekit svelte:sveltekit | from 2.49.0 before 2.52.2 | NVD |
References
- https://github.com/sveltejs/kit/security/advisories/GHSA-vrhm-gvg7-fpcfvendor-advisory
- https://www.vulncheck.com/advisories/sveltekit-before-2.52.2-memory-exhaustion-via-remote-form-deserializationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.