CVE-2026-49277

Summary

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, Rocket.Chat does not revoke OAuth bearer or refresh tokens when a user is deactivated. A deactivated user can continue using an existing OAuth access token, and can also mint a fresh access token from an existing refresh token. 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 Software

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

Weaknesses

  • CWE-613: CWE-613: Insufficient Session Expiration

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References