Improper access control in Rocket.Chat
Priority LOW 38CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284 and CWE-326.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Rocket.Chat | fixed version => 6.0 | — | No fix listed | CNA |
- Rocket.Chat Vendor— Affected fixed version => 6.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* | before 6.0.0 | Vulnerable | Rocket.Chat |
- cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:* Versions before 6.0.0 Vulnerable ·Rocket.Chat
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23911
- 2026-10-03 Alias added: GHSA-rqq3-v54f-727p
References
Advisory 1
More Rocket.chat vulnerabilities
- TI-2021-05772 A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 &… CVSS 3.1CRITICAL 9.8
- TI-2022-13921 SQL injection in Rocket.Chat CVSS 3.1HIGH 8.8
- TI-2026-18910 Rocket.Chat Unauthorized Access to OAuth App Details CVSS 3.1HIGH 7.7
- TI-2022-12398 Improper authentication in Rocket.Chat Mobile app CVSS 3.1MEDIUM 6.8
- TI-2022-13929 Information disclosure in Rocket.Chat CVSS 3.1MEDIUM 6.5
- TI-2022-15931 Cross-site scripting in Rocket.chat CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-23911 · CVE Program
- CVE-2023-23911 · NVD
- FIRST EPSS
- GHSA-rqq3-v54f-727p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences