| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.7 | $5k-$25k | 0.00+ |
Summary
A vulnerability identified as very critical has been detected in IBM MQ up to 9.2.0.44/9.3.0.42/9.4.0.26/9.4.5.1/10.0.0.5. The affected element is an unknown function. The manipulation leads to command injection. This vulnerability is referenced as CVE-2026-12356. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability was found in IBM MQ up to 9.2.0.44/9.3.0.42/9.4.0.26/9.4.5.1/10.0.0.5 and classified as very critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD could allow an authenticated user with command queue access to execute arbitrary code by injecting malicious arguments into Ant script commands.
It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2026-12356 since 06/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/04/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
- 9.2.0.0
- 9.2.0.1
- 9.2.0.2
- 9.2.0.3
- 9.2.0.4
- 9.2.0.5
- 9.2.0.6
- 9.2.0.7
- 9.2.0.8
- 9.2.0.9
- 9.2.0.10
- 9.2.0.11
- 9.2.0.12
- 9.2.0.13
- 9.2.0.14
- 9.2.0.15
- 9.2.0.16
- 9.2.0.17
- 9.2.0.18
- 9.2.0.19
- 9.2.0.20
- 9.2.0.21
- 9.2.0.22
- 9.2.0.23
- 9.2.0.24
- 9.2.0.25
- 9.2.0.26
- 9.2.0.27
- 9.2.0.28
- 9.2.0.29
- 9.2.0.30
- 9.2.0.31
- 9.2.0.32
- 9.2.0.33
- 9.2.0.34
- 9.2.0.35
- 9.2.0.36
- 9.2.0.37
- 9.2.0.38
- 9.2.0.39
- 9.2.0.40
- 9.2.0.41
- 9.2.0.42
- 9.2.0.43
- 9.2.0.44
- 9.3.0.0
- 9.3.0.1
- 9.3.0.2
- 9.3.0.3
- 9.3.0.4
- 9.3.0.5
- 9.3.0.6
- 9.3.0.7
- 9.3.0.8
- 9.3.0.9
- 9.3.0.10
- 9.3.0.11
- 9.3.0.12
- 9.3.0.13
- 9.3.0.14
- 9.3.0.15
- 9.3.0.16
- 9.3.0.17
- 9.3.0.18
- 9.3.0.19
- 9.3.0.20
- 9.3.0.21
- 9.3.0.22
- 9.3.0.23
- 9.3.0.24
- 9.3.0.25
- 9.3.0.26
- 9.3.0.27
- 9.3.0.28
- 9.3.0.29
- 9.3.0.30
- 9.3.0.31
- 9.3.0.32
- 9.3.0.33
- 9.3.0.34
- 9.3.0.35
- 9.3.0.36
- 9.3.0.37
- 9.3.0.38
- 9.3.0.39
- 9.3.0.40
- 9.3.0.41
- 9.3.0.42
- 9.4.0.0
- 9.4.0.1
- 9.4.0.2
- 9.4.0.3
- 9.4.0.4
- 9.4.0.5
- 9.4.0.6
- 9.4.0.7
- 9.4.0.8
- 9.4.0.9
- 9.4.0.10
- 9.4.0.11
- 9.4.0.12
- 9.4.0.13
- 9.4.0.14
- 9.4.0.15
- 9.4.0.16
- 9.4.0.17
- 9.4.0.18
- 9.4.0.19
- 9.4.0.20
- 9.4.0.21
- 9.4.0.22
- 9.4.0.23
- 9.4.0.24
- 9.4.0.25
- 9.4.0.26
- 9.4.5.0
- 9.4.5.1
- 10.0.0.0
- 10.0.0.1
- 10.0.0.2
- 10.0.0.3
- 10.0.0.4
- 10.0.0.5
License
Website
- Vendor: https://www.ibm.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.7VulDB Meta Temp Score: 8.7
VulDB Base Score: 9.9
VulDB Temp Score: 9.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (ibm): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
06/15/2026 CVE reserved11/04/2026 Advisory disclosed
11/04/2026 VulDB entry created
11/04/2026 VulDB entry last update
Sources
Vendor: ibm.comAdvisory: ibm.com
Status: Confirmed
CNA: ibm
CVE: CVE-2026-12356 (🔒)
GCVE (CVE): GCVE-0-2026-12356
GCVE (VulDB): GCVE-100-431195
Entry
Created: 11/04/2026 21:56Changes: 11/04/2026 21:56 (61)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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