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Vulnerability record · CVE-2026-23477 · published 14 January 2026

CVE-2026-23477: Rocket.chat improper privilege management vulnerability

RRocket.Chat · Rocket.Chat

Rocket.Chat is an open-source, secure, fully customizable communications platform. In Rocket.Chat versions up to 6.12.0, the API endpoint GET /api/v1/oauth-apps.get is exposed to any authenticated user, regardless of their role or permissions. This endpoint returns an OAuth application, as long as the user knows its ID, including potentially sensitive fields such as client_id and client_secret. This vulnerability is fixed in 6.12.0.

6.5 CVSS 3.1 Medium EPSS 0.35% · top 74.2% CWE-269 · Improper privilege managementCWE-862 · Missing authorization
6.5CVSS 3.1 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Rocket.Chat is an open-source, secure, fully customizable communications platform. In Rocket.Chat versions up to 6.12.0, the API endpoint GET /api/v1/oauth-apps.get is exposed to any authenticated user, regardless of their role or permissions. This endpoint returns an OAuth application, as long as the user knows its ID, including potentially sensitive fields such as client_id and client_secret. This vulnerability is fixed in 6.12.0.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-g4wm-fg3c-g4p2 ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-23477), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.