RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session…
Priority HIGH 72CWE-404Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-404.
Summary
RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00539 45th 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
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rmqtt:rmqtt:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:rmqtt:rmqtt:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36856
- 2026-10-03 Alias added: GHSA-mv8j-pg39-6vw9
References
Sources
- CVE-2024-36856 · CVE Program
- CVE-2024-36856 · NVD
- FIRST EPSS
- GHSA-mv8j-pg39-6vw9 · 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