CVE-2026-49278
Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Impersonation
CVSS Score
6.7
EPSS Score
0.0%
EPSS Percentile
0th
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12, in the visitors.info endpoint, https://developer.rocket.chat/apidocs/get-visitor-information-by-id-1, token is returned in the response. It looks like there's no use case for the token to be present in the response and it would be a good security practice to remove it altogether. This vulnerability is fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, 8.0.6, 7.13.8, and 7.10.12.
| CWE | CWE-285 |
| Vendor | rocketchat |
| Product | rocket.chat |
| Published | Jun 24, 2026 |
Stay Ahead of the Next One
Get instant alerts for rocketchat rocket.chat
Be the first to know when new medium vulnerabilities affecting rocketchat rocket.chat are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Affected Versions
RocketChat / Rocket.Chat
>= 8.5.0-rc.0, < 8.5.0 >= 8.4.0-rc.0, < 8.4.2 >= 8.3.0-rc.0, < 8.3.4 >= 8.2.0-rc.0, < 8.2.4 >= 8.1.0-rc.0, < 8.1.5 >= 8.0.0-rc.0, < 8.0.6 >= 7.11.0-rc.0, < 7.13.8 < 7.10.12