IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing
Priority MEDIUM 51CWE-122Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00945 61st 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
- 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 Appliance | 9.4 LTS – 9.4.0.0 to 9.4.0.25; 9.4 CD – 9.4.1.0 to 9.4.5.2; 10.0.0.0 – 10.0.0.1 only | — | No fix listed | CNA |
- MQ Appliance VendorIBM Affected 9.4 LTS – 9.4.0.0 to 9.4.0.25; 9.4 CD – 9.4.1.0 to 9.4.5.2; 10.0.0.0 – 10.0.0.1 only Fixed in — No fix listed CNA
CPE names CNA · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:* | 9.4 | — | IBM |
| cpe:2.3:a:ibm:mq_appliance:9.4.0:*:*:*:*:*:*:* | 9.4.0 | — | IBM |
| cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:*:*:*:* | 9.4.0.0 | — | IBM |
| cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:*:*:*:* | 9.4.1.0 | — | IBM |
| cpe:2.3:a:ibm:mq_appliance:10.0.0.0:*:*:*:*:*:*:* | 10.0.0.0 | — | IBM |
| cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:* | 10.0.0.1 | — | IBM |
- cpe:2.3:a:ibm:mq_appliance:9.4:*:*:*:*:*:*:* Versions 9.4 — ·IBM
- cpe:2.3:a:ibm:mq_appliance:9.4.0:*:*:*:*:*:*:* Versions 9.4.0 — ·IBM
- cpe:2.3:a:ibm:mq_appliance:9.4.0.0:*:*:*:*:*:*:* Versions 9.4.0.0 — ·IBM
- cpe:2.3:a:ibm:mq_appliance:9.4.1.0:*:*:*:*:*:*:* Versions 9.4.1.0 — ·IBM
- cpe:2.3:a:ibm:mq_appliance:10.0.0.0:*:*:*:*:*:*:* Versions 10.0.0.0 — ·IBM
- cpe:2.3:a:ibm:mq_appliance:10.0.0.1:*:*:*:*:*:*:* Versions 10.0.0.1 — ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-10747
- 2026-10-03 Alias added: GHSA-xp86-qf4h-97h5
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More IBM vulnerabilities
- TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
- TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
- TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
- TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-10747 · CVE Program
- CVE-2026-10747 · NVD
- FIRST EPSS
- GHSA-xp86-qf4h-97h5 · 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