Rocket.Chat: Livechat Visitor Profile Disclosure Leaks Bearer Token and Enables Visitor Impersonation

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Summary

CVECVE-2026-49278
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 21:16:54 UTC
Updated2026-06-24 21:16:54 UTC
DescriptionRocket.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.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

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

Problem Types: CWE-285 | CWE-285 CWE-285: Improper Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
3.1CNADECLARED6.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA RocketChat Rocket.Chat affected >= 8.5.0-rc.0, < 8.5.0 Not specified
CNA RocketChat Rocket.Chat affected >= 8.4.0-rc.0, < 8.4.2 Not specified
CNA RocketChat Rocket.Chat affected >= 8.3.0-rc.0, < 8.3.4 Not specified
CNA RocketChat Rocket.Chat affected >= 8.2.0-rc.0, < 8.2.4 Not specified
CNA RocketChat Rocket.Chat affected >= 8.1.0-rc.0, < 8.1.5 Not specified
CNA RocketChat Rocket.Chat affected >= 8.0.0-rc.0, < 8.0.6 Not specified
CNA RocketChat Rocket.Chat affected >= 7.11.0-rc.0, < 7.13.8 Not specified
CNA RocketChat Rocket.Chat affected < 7.10.12 Not specified

References

ReferenceSourceLinkTags
github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-cqj7-h8cj-jmf2 [email protected] github.com
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