IBM MQ queue manager is vulnerable to remote code execution
Priority MEDIUM 41CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00609 49th 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
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| IBM | MQ | 9.1.0.0 – 9.1.0.37 LTS; 9.2.0.0 – 9.2.0.43 LTS; 9.3.0.0 – 9.3.0.41 LTS; 9.3.0.0 – 9.3.5.1 CD; 9.4.0.0 – 9.4.0.25 LTS; 9.4.0.0 – 9.4.5.1 CD; 10.0.0.0 | — | No fix listed | CNA |
- MQ VendorIBM Affected 9.1.0.0 – 9.1.0.37 LTS; 9.2.0.0 – 9.2.0.43 LTS; 9.3.0.0 – 9.3.0.41 LTS; 9.3.0.0 – 9.3.5.1 CD; 9.4.0.0 – 9.4.0.25 LTS; 9.4.0.0 – 9.4.5.1 CD; 10.0.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.1.0.0 – 9.1.0.37; 9.2.0.0 – 9.2.0.43; 9.3.0.0 – 9.3.0.41 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* | 9.3.0.0 – 9.3.5.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* | 9.4.0.0 – 9.4.0.25 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* | 9.4.0.0 – 9.4.5.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:continuous_delivery:*:*:* | 10.0.0.0 | Vulnerable | IBM |
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.1.0.0 – 9.1.0.37; 9.2.0.0 – 9.2.0.43; 9.3.0.0 – 9.3.0.41 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* Versions 9.3.0.0 – 9.3.5.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:* Versions 9.4.0.0 – 9.4.0.25 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:* Versions 9.4.0.0 – 9.4.5.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:continuous_delivery:*:*:* Versions 10.0.0.0 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11375
- 2026-10-03 Alias added: GHSA-98w4-7mr5-93q9
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-2026-09317 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
- TI-2026-09095 IBM MQ queue manager is vulnerable to remote code execution CVSS 3.1HIGH 8.8
Sources
- CVE-2026-11375 · CVE Program
- CVE-2026-11375 · NVD
- FIRST EPSS
- GHSA-98w4-7mr5-93q9 · 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