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Home / Vulnerability Intelligence / CVE-2026-41428

CVE-2026-41428 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: April 24, 2026

Budibase - Authentication Bypass

Published: April 24, 2026Updated: April 24, 2026Remote Exploitable

Overview

Budibase < 3.35.4 contains an authentication bypass caused by unanchored regex matching of public endpoint patterns against ctx.request.url including query strings, letting attackers access protected endpoints by appending public paths as query parameters, exploit requires attacker to be authenticated.

Severity & Score

Severity: Critical
CVSS Score: 9.1

Impact

Authenticated attackers can bypass authentication to access protected endpoints, potentially exposing sensitive data or functionality.

Mitigation

Update to version 3.35.4 or later.

Details

CVE ID
CVE-2026-41428
Severity
Critical
CVSS Score
9.1
Type
broken_authentication
Status
new

CWE

  • CWE-287

CVSS Metrics

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