CVE-2026-44423

FAUCET Score

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.

First published: May 13, 2026Last modified: May 13, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 0.24.2CPE matchmatch criteria	cpe:2.3:a:shellhub:shellhub::::::::

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.25%

Probability of exploitation in next 30 days

EPSS Percentile

15.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0025 is in the 19th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa

Product: github.com/shellhub-io/shellhubFixed in: 0.24.2

github_advisoryvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

goGHSA-9w9c-9w8m-w89qmedium

ShellHub has cross-tenant IDOR in `GET /api/sessions/:uid` that discloses SSH session data

May 6, 2026

References

github.com / shellhub-io/shellhub/security/advisories/GHSA-9w9c-9w8m-w89q

ExploitVendor Advisory