May 11, 2023, 10:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.

access acl channel chat command cve mute private rocket username vulnerability

SOC 2 Manager, Audit and Certification

@ Deloitte | US and CA Multiple Locations

Security Audit and Compliance Technical Analyst

@ Accenture Federal Services | Washington, DC

ICS Cyber Threat Intelligence Analyst

@ STEMBoard | Arlington, Virginia, United States

Cyber Operations Analyst

@ Peraton | Arlington, VA, United States

Cybersecurity – Information System Security Officer (ISSO)

@ Boeing | USA - Annapolis Junction, MD

Network Security Engineer I - Weekday Afternoons

@ Deepwatch | Remote