CVE-2026-82260
highpriority · track · 30EPSS 0.005 · 42 %ileUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-vrhm-gvg7-fpcf Memory exhaustion in SvelteKit remote form deserialization (experimental only)2026-02-19ghsa · osvUS
Versions of `@sveltejs/kit` prior to 2.52.2 with remote functions enabled can be vulnerable to memory exhaustion. Malformed form data can cause the server process to crash due to excessive memory allocation, resulting in denial of service. Only applications using both `experimental.remoteFunctions` and `form` are vulnerable.
sources
Which sources assert this record, and when.
references (2) nvd
External citations — patches, advisories, analysis.
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