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CVE-2026-49277

Rocket.Chat: OAuth access and refresh tokens remain valid after account deactivation

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 8.5.0, 8.4.2, 8.3.4, 8.2.4, 8.1.5, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • RocketChat Rocket.Chat

    From 8.5.0-rc.0 · fixed in 8.5.0; From 8.4.0-rc.0 · fixed in 8.4.2; From 8.3.0-rc.0 · fixed in 8.3.4; From 8.2.0-rc.0 · fixed in 8.2.4; From 8.1.0-rc.0 · fixed in 8.1.5; From 8.0.0-rc.0 · fixed in 8.0.6; From 7.11.0-rc.0 · fixed in 7.13.8; fixed in 7.10.12

References 1

GitHub · RocketChat/Rocket.Chat