Vulnerability DatabaseCVE-2026-49277
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CVE-2026-49277
Published:June 24, 2026
Updated:June 29, 2026
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 Packages
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=8.0.0 <8.0.6
Fix Suggestion:
Update to version 8.0.6
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=7.13.0 <7.13.8
Fix Suggestion:
Update to version 7.13.8
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=8.1.0 <8.1.5
Fix Suggestion:
Update to version 8.1.5
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=0.8.0 <7.10.12
Fix Suggestion:
Update to version 7.10.12
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=8.3.0 <8.3.4
Fix Suggestion:
Update to version 8.3.4
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=8.4.0 <8.4.2
Fix Suggestion:
Update to version 8.4.2
https://github.com/RocketChat/Rocket.Chat.git (GITHUB):
Affected version(s) >=8.2.0 <8.2.4
Fix Suggestion:
Update to version 8.2.4
Related Resources (1)
https://github.com/RocketChat/Rocket.Chat/security/advisories/GHSA-39hg-492f-3c4f
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CVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Insufficient Session Expiration
CWE-613
EPSS
Base Score:
0.21