Vulnerability · Published Aug 12, 2026 · Assigned by GitHub_M

CVE-2026-73301Budibase: Missing RBAC on GET /api/global/groups allows BASIC users to enumerate all tenant groups and role mappings

Medium 4.3

In plain English

A medium-severity missing authorization in budibase from Budibase. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 72.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Budibase is an open-source low-code platform. Prior to 3.39.25, the GET /api/global/groups endpoint in packages/worker/src/api/routes/global/groups.ts omitted auth.builderOrAdmin, allowing an authenticated BASIC role user to enumerate tenant groups, role mappings and user memberships, builder permissions, and default-group flags. The disclosure exposes the tenant access-control structure to users who are not builders or administrators. This issue is fixed in version 3.39.25.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@budibase/server	no fix listed	GHSA-4qcj-m5wp-jmf4

Affected products (as reported)

Vendor	Product	Versions
Budibase	budibase	< 3.39.2

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/Budibase/budibase/security/advisories/GHSA-4qcj-m5wp-jmf4 x_refsource_CONFIRM
https://github.com/Budibase/budibase/pull/19109 x_refsource_MISC
https://github.com/Budibase/budibase/commit/93db77846e68231ba655f180581c94503985421a x_refsource_MISC
https://github.com/Budibase/budibase/releases/tag/3.39.25 x_refsource_MISC