CVE-2026-49277
Low
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, 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.
SeverityLow
CVSS2.3
Exploit probability—
Product
Rocket.Chat
PublishedJun 24, 2026
First seenJun 24, 2026
Weakness typeCWE-613CWE-613
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| RocketChat Rocket.Chat | >= 8.5.0-rc.0, < 8.5.0, >= 8.4.0-rc.0, < 8.4.2, >= 8.3.0-rc.0, < 8.3.4, >= 8.2.0-rc.0, < 8.2.4, >= 8.1.0-rc.0, < 8.1.5, >= 8.0.0-rc.0, < 8.0.6, >= 7.11.0-rc.0, < 7.13.8, < 7.10.12 | — |
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