Budibase up to 3.39.23 Global Role Validation globalRoleValidation.ts validateGlobalRoleUpdate privileges management

Summaryinfo

A vulnerability has been found in Budibase up to 3.39.23 and classified as critical. The affected element is the function validateGlobalRoleUpdate of the file packages/server/src/api/controllers/public/globalRoleValidation.ts of the component Global Role Validation. The manipulation leads to privileges management. This vulnerability is referenced as CVE-2026-73305. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Budibase up to 3.39.23. This issue affects the function validateGlobalRoleUpdate of the file packages/server/src/api/controllers/public/globalRoleValidation.ts of the component Global Role Validation. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Budibase is an open-source low-code platform. Prior to 3.39.24, POST /api/public/v1/roles/assign called validateGlobalRoleUpdate without checking appBuilder.appId or role.appId in packages/server/src/api/controllers/public/globalRoleValidation.ts. An app-scoped builder could scope the request to an app they control and then grant themselves builder access or an arbitrary role in another app, exposing that app data, datasource configuration, and automations. This issue is fixed in version 3.39.24.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-73305 since 08/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 3.39.24 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Budibase

Version

• 3.39.0
• 3.39.1
• 3.39.2
• 3.39.3
• 3.39.4
• 3.39.5
• 3.39.6
• 3.39.7
• 3.39.8
• 3.39.9
• 3.39.10
• 3.39.11
• 3.39.12
• 3.39.13
• 3.39.14
• 3.39.15
• 3.39.16
• 3.39.17
• 3.39.18
• 3.39.19
• 3.39.20
• 3.39.21
• 3.39.22
• 3.39.23

Website

• Product: https://github.com/Budibase/budibase/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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