CVE-2026-49277

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.

Score

CVSS 4.0 2.3 Low

Status

Deferred - security-advisories@github.com

Published

2026-06-24

Last modified

2026-10-25

Weaknesses

CWE-613

Affected products

• Rocket.chat (Rocketchat)

References

• https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-39hg-492f-3c4f