CVE-2026-94382 Beszel before 0.19.0 Insecure Direct Object Reference via user-alerts
Authenticated users can create or delete alerts on unauthorized systems, leading to information disclosure and data modification.
- 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-2026-94382?
CVE-2026-94382 is a low-severity missing authorization vulnerability in henrygd beszel, published on 21 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Beszel before 0.19.0 contains an insecure direct object reference vulnerability in the POST and DELETE /api/beszel/user-alerts handlers that allows any authenticated user to create or delete alerts on systems they cannot access. Attackers can supply arbitrary system IDs in the request body to register alert rules and receive notifications disclosing target system names and metrics.
Weakness: CWE-639
Which versions are affected by CVE-2026-94382?
How do I fix CVE-2026-94382?
No fix has been published for CVE-2026-94382 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-2026-94382 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94382 exists.
Sources
Also known as GHSA-759g-ch5m-2gch, GHSA-x7pw-mf2h-rgr4.