CVE-2023-28359: Rocket.chat

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A NoSQL injection vulnerability has been identified in the listEmojiCustom method call within Rocket.Chat. This can be exploited by unauthenticated users when there is at least one custom emoji uploaded to the Rocket.Chat instance. The vulnerability causes a delay in the server response, with the potential for limited impact.

Affected products

• Rocket.chat Rocket.chat: before 6.0.0 (fixed in 6.0.0)

Published 2023-05-11. Last modified 2026-06-17.