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CVE PROGRAM SOURCE RECORD6.7 Medium

CVE-2026-49278

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

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RocketChat Rocket.Chat

  • >= 8.5.0-rc.0, < 8.5.0affected
  • >= 8.4.0-rc.0, < 8.4.2affected
  • >= 8.3.0-rc.0, < 8.3.4affected
  • >= 8.2.0-rc.0, < 8.2.4affected
  • >= 8.1.0-rc.0, < 8.1.5affected
  • >= 8.0.0-rc.0, < 8.0.6affected
  • >= 7.11.0-rc.0, < 7.13.8affected
  • < 7.10.12affected

References