CVE-2026-94382Beszel before 0.19.0 Insecure Direct Object Reference via user-alerts
Updated under an hour ago ()
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It affects henrygd beszel. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
henrygd beszel henrygd:beszel (from the name) | before 0.19.0; 0.19.0 not affected | CNA record |
References
- https://github.com/henrygd/beszel/security/advisories/GHSA-759g-ch5m-2gchvendor-advisory
- https://github.com/henrygd/beszel/commit/6f92b9396dfbacaf71c20444d175af78e0517409patch
- https://github.com/henrygd/beszel/blob/v0.18.8/internal/alerts/alerts_api.go#L19-L80technical-description
- https://github.com/henrygd/beszel/releases/tag/v0.19.0release-notes
- https://github.com/henrygd/beszelproduct
- https://www.vulncheck.com/advisories/beszel-before-0.19.0-insecure-direct-object-reference-via-user-alertsthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.