CVE-2023-23911

7.5 highEPSS 0.3%

High (7.5) in rocket.chat rocket.chat. EPSS 0.3% chance of exploitation in the next 30 days.

An improper access control vulnerability exists prior to v6 that could allow an attacker to break the E2E encryption of a chat room by a user changing the group key of a chat room.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWEs: CWE-326, CWE-284
Published: 2023-03-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rocket.chat:rocket.chat

References

https://hackerone.com/reports/1757663
https://hackerone.com/reports/1757663

Check your stack JSON