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OpenAdvisories
Critical WID-SEC-2026-3286 8 CVEs

Budibase: Mehrere Schwachstellen

Published Sep 9, 2026 · Updated Sep 27, 2026 · Revision 3 · de-DE

Platform: Linux

Summary

Ein Angreifer kann mehrere Schwachstellen in Budibase ausnutzen, um erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, SQL-Injection-Angriffe durchzuführen oder Daten zu manipulieren und offenzulegen.

Product

Budibase ist eine quelloffene Low-Code-Plattform für die Erstellung interner Anwendungen, wie z. B. Verwaltungspanels.

Vulnerabilities 8

  • High 8.8
    CVE-2026-100682

    Budibase Server before 3.45.0 Arbitrary File Write via ZIP Symlink

    Budibase Server before 3.45.0 contains an arbitrary file write vulnerability in the PWA icon upload endpoint that extracts user-supplied ZIP archives without proper symlink validation. Attackers with BUILDER role can craft a malicious ZIP with leaf symlink en…

    Budibase server
  • High 8.1
    CVE-2026-100680

    Budibase before 3.45.0 Arbitrary Local File Read via OpenAPI Import

    Budibase versions before 3.45.0 fail to disable external JSON reference resolution in the OpenAPI/Swagger import validator, allowing authenticated builders to read arbitrary local files. Attackers with builder access can embed file:// references in OpenAPI sp…

    Budibase server
  • High 8.1
    CVE-2026-100684

    Budibase Server 3.41.0 before 3.45.0 Authentication Bypass via OIDC

    Budibase versions 3.41.0 before 3.45.0 contain an authentication bypass in the OIDC/SSO login path of @budibase/server. In sso.authenticate, when no existing user matches the incoming SSO subject, the server looks up pending user invites by the IdP-asserted e…

    Budibase server
  • High 8.1
    CVE-2026-100686

    Budibase before 3.45.0 Cross-Workspace Privilege Escalation via POST /api/global/groups/:groupId/apps

    Budibase versions before 3.45.0 fail to validate per-app authorization in the POST /api/global/groups/:groupId/apps endpoint, allowing builders to assign application roles across workspace boundaries. A builder of a single workspace can exploit missing per-ap…

    Budibase server
  • High 8.0
    CVE-2026-100683

    Budibase before 3.45.0 SQL Injection via column-rename DDL

    Budibase (@budibase/server) before 3.45.0 builds MySQL and MSSQL column-rename DDL in packages/backend-core/src/sql/sqlTable.ts by interpolating identifiers directly into a raw query string (backtick-quoted for MySQL, a single-quoted sp_rename literal for MSS…

    Budibase server
  • High 7.7
    CVE-2026-100685

    Budibase before 3.45.0 Information Disclosure via Chat Links

    Budibase before 3.45.0 fails to properly scope the GET /api/chat-links endpoint by workspace, allowing builders to enumerate chat identity link records across all workspaces in a tenant. Attackers with builder access to a single workspace can retrieve sensiti…

    Budibase server
  • Medium 5.5
    CVE-2026-100687

    Budibase Server before 3.45.0 Credential Exposure via External Table Broadcast

    Budibase Server before 3.45.0 fails to redact plaintext datasource credentials before broadcasting external table updates to the Builder collaboration websocket room. Attackers with Builder access can intercept unredacted datasource objects containing databas…

    Budibase server
  • Medium 5.4
    CVE-2026-100681

    Budibase before 3.45.0 SSRF and OAuth Token Exfiltration via Teams Webhook

    Budibase before 3.45.0 contains an unauthenticated server-side request forgery and credential exfiltration vulnerability in the Microsoft Teams webhook endpoint that accepts forged Bot Framework activities with arbitrary serviceUrl values. Attackers can submi…

    Budibase server

Revision history

  1. #3

    Referenz(en) aufgenommen: CVE-2026-100682, EUVD-2026-87655, CVE-2026-100687, EUVD-2026-87660, CVE-2026-100686, EUVD-2026-87659, CVE-2026-100683, EUVD-2026-87656, CVE-2026-100680, EUVD-2026-87653, CVE-2026-100681, EUVD-2026-87654, CVE-2026-100685, EUVD-2026-87658, CVE-2026-100684, EUVD-2026-87657

  2. #2

    Link zu GHSA-rmv5-3xpj-w885 korrigiert

  3. #1

    Initiale Fassung

References