ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/sessions/:uid returns the full session object for any authenticated caller, without scoping by the caller's tenant. An authenticated user can read session records (SSH username, device UID, remote IP, terminal type, authenticated flag, timestamps) belonging to any other namespace. This vulnerability is fixed in 0.24.2.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
shellhub-io shellhub affected
Version Status Constraints
< 0.24.2 affected —

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Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-9w9c-9w8m-w89q ShellHub has cross-tenant IDOR in `GET /api/sessions/:uid` that discloses SSH session data
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/shellhub-io/shellhub/security/advisories/GHSA-9w9c-9w8m-w89q cve-icon cve-icon
History

Wed, 13 May 2026 21:45:00 +0000

Type Values Removed Values Added
Description ShellHub is a centralized SSH gateway. Prior to 0.24.2, GET /api/sessions/:uid returns the full session object for any authenticated caller, without scoping by the caller's tenant. An authenticated user can read session records (SSH username, device UID, remote IP, terminal type, authenticated flag, timestamps) belonging to any other namespace. This vulnerability is fixed in 0.24.2.
Title ShellHub: Cross-tenant IDOR in `GET /api/sessions/:uid` discloses SSH session data
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-13T21:07:33.174Z

Reserved: 2026-05-06T14:40:00.953Z

Link: CVE-2026-44423

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-13T22:16:44.103

Modified: 2026-05-13T22:16:44.103

Link: CVE-2026-44423

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T22:30:06Z

Weaknesses