P5Verified

CVE-2026-82257: sveltekit before 2.69.1 (exclusive); +1 more affected products

CVE-2026-82257. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.00358 (percentile 0.27347), scored 2026-10-06.

Affected technology

sveltekit · before 2.69.1 (exclusive)
svelte

kit · 0 to before 2.69.1
sveltejs

Description’s affected range: versions before 2.69.1

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

Attackers can manipulate the deletion path to remove methods on the prototype, potentially disabling application functionality. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and integrity impact as none; availability impact as low.

Published 2026-10-08 17:35:14.723069+00:00

CWE: CWE-1321
CCR priority: 17.3 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L · Vendor/CNA
EPSS: 0.00358 · percentile 0.2745 · 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-2026-82257.html