Incomplete List of Disallowed Inputs Affecting github.com/henrygd/beszel/internal/hub package, versions <0.18.7
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMHENRYGDBESZELINTERNALHUB-16321429
- published29 Apr 2026
- disclosed10 Apr 2026
- creditmarduc812, kodareef5, lakshayyverma
Introduced: 10 Apr 2026
CVE-2026-40077 Â (opens in a new tab)How to fix?
Upgrade github.com/henrygd/beszel/internal/hub to version 0.18.7 or higher.
Overview
Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs inadequate authorization checks in the containerRequestHandler process. An attacker can gain unauthorized access to sensitive system information and trigger actions on systems they do not belong to by supplying valid system and container identifiers to specific API endpoints.