medium4.2
CVE-2026-94382
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 authent…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Beszel | before 0.19.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/henrygd/beszel
- https://github.com/henrygd/beszel/blob/v0.18.8/internal/alerts/alerts_api.go#L19-L80
- https://github.com/henrygd/beszel/commit/6f92b9396dfbacaf71c20444d175af78e0517409
- https://github.com/henrygd/beszel/releases/tag/v0.19.0
- https://github.com/henrygd/beszel/security/advisories/GHSA-759g-ch5m-2gch
- https://www.vulncheck.com/advisories/beszel-before-0.19.0-insecure-direct-object-reference-via-user-alerts
- https://github.com/henrygd/beszel/security/advisories/GHSA-759g-ch5m-2gch