CVE-2026-94382

MEDIUMPre-NVD 4.24.2—
EchelonGraph scoreHIGH confidence

Score 4.2 from GitHub Security Advisory (severity: LOW) published 2026-09-21. a secondary CVSS source baseline 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.2Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
4.2
EG Score
4.2(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity42% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

September 21, 2026

Last Modified

September 23, 2026

Advisory Details (6)

Auto-updated Sep 21, 2026
🔬 Proof of concept available. Patch available. Sources: github, github_commit, github_release.
generic

Beszel before 0.19.0 Insecure Direct Object Reference via user-alerts | Advisories | VulnCheck

https://www.vulncheck.com/advisories/beszel-before-0.19.0-insecure-direct-object-reference-via-user-alerts
generic

GitHub - henrygd/beszel: Lightweight server monitoring with historical data, docker stats, and alerts. · GitHub

https://github.com/henrygd/beszel
github_release Patch Available

v0.19.0

Patch available: henrygd/beszel v0.19.0

https://github.com/henrygd/beszel/releases/tag/v0.19.0
generic

beszel/internal/alerts/alerts_api.go at v0.18.8 · henrygd/beszel · GitHub

https://github.com/henrygd/beszel/blob/v0.18.8/internal/alerts/alerts_api.go#L19-L80
github_commit

commit 6f92b9396dfb (henrygd/beszel)

Fix landed in henrygd/beszel commit 6f92b9396dfb — awaiting tagged release

https://github.com/henrygd/beszel/commit/6f92b9396dfbacaf71c20444d175af78e0517409
github Patch Available🟡 PoC Available

Authenticated IDOR in `/api/beszel/user-alerts` allows user to subscribe to alerts on systems they don't own by guessing 15 character random alphanumeric system ID · Advisory · henrygd/beszel · GitHub

https://github.com/henrygd/beszel/security/advisories/GHSA-759g-ch5m-2gch

Vendor Advisories for CVE-2026-94382(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 13× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 18:00 UTCEG score recompute
  2. 2026-09-24 18:00 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 17:20 UTCGHSA enrichment
  6. 2026-09-23 16:06 UTCEG score recompute
  7. 2026-09-23 16:06 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-22 15:44 UTCEG score recompute
  10. 2026-09-22 15:44 UTCGHSA enrichment
  11. 2026-09-21 14:21 UTCEG score recompute
  12. 2026-09-21 13:20 UTCEG score recompute
  13. 2026-09-21 13:20 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-94382?
CVE-2026-94382 is a medium vulnerability published on September 21, 2026. 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…
When was CVE-2026-94382 disclosed?
CVE-2026-94382 was first published in the National Vulnerability Database on September 21, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-94382 actively exploited?
CVE-2026-94382 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 79.3% of all scored CVEs.
What is the CVSS score of CVE-2026-94382?
CVE-2026-94382 has a CVSS v3 base score of 4.2 (NVD).
How do I remediate CVE-2026-94382?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-94382, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-94382

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