CVE-2026-49211: ux 3.0.0

CVE-2026-49211. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00531 (percentile 0.44122), scored 24-Oct-2026.

Affected technology

ux · from 2.2.0 (inclusive), before 2.36.0 (exclusive)
symfony

ux · 3.0.0
symfony

ux · >= 3.0.0, < 3.1.0, >= 2.2.0, < 2.36.0
symfony

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

Unauthenticated users can turn the public BaseEntityAutocompleteType endpoint into a broad matcher or blind boolean oracle against every column in default searchable_fields. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 25-Oct-2026 01:30 UTC

CWE: CWE-200
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:H/I:N/A:N · NVD
EPSS: 0.00531 · percentile 0.44122 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-49211.html