CVE-2026-72919 Missing authorization in Rocket.Chat
Authenticated users can convert unrelated public channels to teams by bypassing permission checks, requiring an upgrade to Rocket.Chat.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-72919?
CVE-2026-72919 is a medium-severity missing authorization vulnerability in RocketChat Rocket.Chat, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the channels.convertToTeam REST endpoint allows an authenticated registered user with the create-team permission to convert an unrelated public channel by supplying channelName instead of channelId because the edit-room permission is checked only for channelId. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1.
Weakness: CWE-862
Which versions are affected by CVE-2026-72919?
How do I fix CVE-2026-72919?
No fix has been published for CVE-2026-72919 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-72919 being exploited?
There is no known exploitation of CVE-2026-72919 in the wild and no public exploit code.
Sources
Also known as GHSA-4mvx-9h2h-hmg3.