CVE-2026-82260 — HIGH (7.5)

Q: How severe is CVE-2026-82260?

CVE-2026-82260 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-82260?

Check the references section above for vendor advisories and patch information. Affected products include: Svelte Sveltekit.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Svelte	Sveltekit	>= 2.49.0, < 2.52.2

Related Weaknesses (CWE)

CWE-400

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-vThird Party Advisory

FAQ

What is CVE-2026-82260?

CVE-2026-82260 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 des...

How severe is CVE-2026-82260?

CVE-2026-82260 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-82260?

Check the references section above for vendor advisories and patch information. Affected products include: Svelte Sveltekit.