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CVE-2026-41428

CRITICAL · CVSS 9.1 EPSS 0.07% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-04-24 · Last synced: 2026-05-24

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

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CVE
CVE-2026-41428
Severity
CRITICAL
CVSS
9.1
EPSS
0.07%

Original NVD Description

Budibase is an open-source low-code platform. Prior to 3.35.4, the authenticated middleware uses unanchored regular expressions to match public (no-auth) endpoint patterns against ctx.request.url. Since ctx.request.url in Koa includes the query string, an attacker can access any protected endpoint by appending a public endpoint path as a query parameter. For example, POST /api/global/users/search?x=/api/system/status bypasses all authentication because the regex /api/system/status/ matches in the query string portion of the URL. This vulnerability is fixed in 3.35.4.