CVE-2026-72741 Rainbond 6.9.7 Region API Cross-Enterprise IDOR via Tenant Access
Authenticated attackers can access or modify other enterprises' resources by manipulating tenant names in API requests, bypassing enterprise ID verification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-72741?
CVE-2026-72741 is a high-severity missing authorization vulnerability in goodrain rainbond, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Rainbond through 6.9.7 contains a broken access control vulnerability in the CheckToken function that allows authenticated attackers to access unauthorized enterprise resources by substituting another enterprise's tenant name in URL paths. Attackers can use any valid API token to bypass enterprise ID verification and access or modify another enterprise's services, plugins, environment variables, and certificates.
Weakness: CWE-639
Which versions are affected by CVE-2026-72741?
How do I fix CVE-2026-72741?
No fix has been published for CVE-2026-72741 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-72741 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-72741 exists.
Sources
Also known as GHSA-5xhp-2v8r-m7wh.