CVE-2026-41428
CVE-2026-41428 · Budibase: Authentication Bypass via Unanchored Regex in Public Endpoint Matcher — Unauthenticated Access to Protected Endpoints
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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.
CVSS 9.1 · Critique · EPSS 0,4%
- Publication
- Mise à jour
Pile logicielle: node
Produits et versions concernés
budibase
- Versions du logiciel
- < 3.35.4: Concernée
Aucun correctif publié
@budibase/backend-core npm
- Plages de versions concernées
- SEMVER: ≤ 3.35.3
Aucun correctif publié