A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 &…
Priority CRITICAL 86CWE-75Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenticated NoSQL injection, resulting potentially in RCE.
Why it matters now
EPSS 0.95242 99th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Rocket.Chat server | Fixed in: 3.13.2, 3.12.4, 3.11.4 | — | No fix listed | CNA |
- Rocket.Chat server Vendor— Affected Fixed in: 3.13.2, 3.12.4, 3.11.4 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:-:*:*:*:*:*:* | 3.11.0 | Vulnerable | Rocket.Chat |
| cpe:2.3:a:rocket.chat:rocket.chat:3.12.0:-:*:*:*:*:*:* | 3.12.0 | Vulnerable | Rocket.Chat |
| cpe:2.3:a:rocket.chat:rocket.chat:3.13.0:-:*:*:*:*:*:* | 3.13.0 | Vulnerable | Rocket.Chat |
- cpe:2.3:a:rocket.chat:rocket.chat:3.11.0:-:*:*:*:*:*:* Versions 3.11.0 Vulnerable ·Rocket.Chat
- cpe:2.3:a:rocket.chat:rocket.chat:3.12.0:-:*:*:*:*:*:* Versions 3.12.0 Vulnerable ·Rocket.Chat
- cpe:2.3:a:rocket.chat:rocket.chat:3.13.0:-:*:*:*:*:*:* Versions 3.13.0 Vulnerable ·Rocket.Chat
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22911
- 2026-10-03 Alias added: GHSA-fj2w-2856-965h
References
Exploit 4
More Rocket.chat vulnerabilities
- 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
- TI-2025-05318 RocketChat parseMessage.js parseMessage redos CVSS 4.0MEDIUM 5.3
Sources
- CVE-2021-22911 · CVE Program
- CVE-2021-22911 · NVD
- FIRST EPSS
- GHSA-fj2w-2856-965h · GitHub Advisory Database · CC BY 4.0
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