Session fixation in IBM MQ
Priority LOW 34CWE-384Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384.
Summary
IBM MQ 8.0.0.4 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 AMQP Listeners could allow an unauthorized user to conduct a session fixation attack due to clients not being disconnected as they should. IBM X-Force ID: 159352.
Why it matters now
EPSS 0.01113 66th percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| IBM | MQ | 9.0.0.1; 8.0.0.4; 8.0.0.5; 8.0.0.6; 8.0.0.7; 9.0.0.2; 8.0.0.8; 8.0.0.9; 9.0.0.3; 8.0.0.10; 9.0.0.0; 9.0.0.4; 9.0.0.5; 9.1.0.0; 9.1.0.1; 9.1.1; 9.1.0.2; 9.1.2; 8.0.0.11; 9.0.0.6; 8.0.0.12 | — | No fix listed | CNA |
- MQ VendorIBM Affected 9.0.0.1; 8.0.0.4; 8.0.0.5; 8.0.0.6; 8.0.0.7; 9.0.0.2; 8.0.0.8; 8.0.0.9; 9.0.0.3; 8.0.0.10; 9.0.0.0; 9.0.0.4; 9.0.0.5; 9.1.0.0; 9.1.0.1; 9.1.1; 9.1.0.2; 9.1.2; 8.0.0.11; 9.0.0.6; 8.0.0.12 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:* | 8.0.0.4 – 8.0.0.12 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.0.0.0 – 9.0.0.6 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* | 9.1.0 – 9.1.2 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.1.0.0 – 9.1.0.2 | Vulnerable | IBM |
- cpe:2.3:a:ibm:mq:*:*:*:*:*:*:*:* Versions 8.0.0.4 – 8.0.0.12 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.0.0.0 – 9.0.0.6 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* Versions 9.1.0 – 9.1.2 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.1.0.0 – 9.1.0.2 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-4227
- 2026-10-03 Alias added: GHSA-xjxh-q8mg-f6v9
References
More IBM Mq vulnerabilities
- TI-2020-03985 Deserialization of untrusted data in IBM MQ CVSS 3.1CRITICAL 9.8
- TI-2026-08787 IBM MQ queue manager is vulnerable to unauthenticated remote code execution CVSS 3.1CRITICAL 9.8
- TI-2022-06772 XML external entity injection in IBM MQ CVSS 3.1CRITICAL 9.1
- TI-2026-09821 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
- TI-2026-09820 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
- TI-2026-09317 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
Sources
- CVE-2019-4227 · CVE Program
- CVE-2019-4227 · NVD
- FIRST EPSS
- GHSA-xjxh-q8mg-f6v9 · GitHub Advisory Database · CC BY 4.0
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