Medium severity6.5GHSA Advisory· Published May 13, 2026· Updated May 14, 2026
CVE-2026-44426
CVE-2026-44426
Description
ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/namespaces/:tenant returns the full namespace object — including the members list (user IDs, e-mails, roles), settings, and device counts — to any caller authenticated by an API Key, for any tenant, regardless of the API Key's own tenant scope. The handler conditionally skips the membership check when the user ID (X-ID) is absent, which is exactly the case for API Key authentication. This vulnerability is fixed in 0.24.2.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/shellhub-io/shellhubGo | < 0.24.2 | 0.24.2 |
Affected products
2- Range: <= 0.24.1
Patches
Vulnerability mechanics
References
3- github.com/shellhub-io/shellhub/security/advisories/GHSA-vwx9-7qcf-gg7fnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-vwx9-7qcf-gg7fghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-44426ghsaADVISORY
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