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CVE-2026-82261: sveltekit from 2.49.0 (inclusive), before 2.52.2 (exclusive); +1 more affected products
CVE-2026-82261. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00493 (percentile 0.40296), scored 2026-10-06.
Affected technology
sveltekit · from 2.49.0 (inclusive), before 2.52.2 (exclusive)
svelte
kit · 2.49.0 to before 2.52.1
sveltejs
Description’s affected range: versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An attacker can send malformed form data to cause the server to become unresponsive while processing the request, resulting in denial of service. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-400
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00493 · percentile 0.40407 · 2026-10-08
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-82261.html