Improper Authentication in Rocket.Chat - CVE-2026-28514
Published: March 6, 2026
Vulnerability identifier: #VU123616
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28514
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Rocket.Chat Technologies Corp.
Affected software:
Rocket.Chat
Rocket.Chat
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in account service used in the ddp-streamer micro service. A remote user can log in to the service as any user with a password set, using any arbitrary password.
How to mitigate CVE-2026-28514
Install updates from vendor's website.