CVE-2025-66020: valibot >= 0.31.0, < 1.2.0

CVE-2025-66020. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00331 (percentile 0.24669), scored 17-Oct-2026.

Affected technology

valibot · >= 0.31.0, < 1.2.0
open-circle

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-1333
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: 0.00331 · percentile 0.24669 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-66020.html