CVE-2026-12669: CWE-125 Out-of-bounds Read in IBM MQ Operator
Description
CVE-2026-12669 is a low-severity vulnerability in IBM MQ Operator that allows an authenticated attacker to trigger a minor out-of-bounds read by sending malformed compressed data. The vulnerability does not disclose data and the malformed request is rejected by the system.
CVSS v3.1
Score 3.1low
Affected software
IBM
MQ Operator
IBM
MQ Advanced container images
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM MQ Operator contains a CWE-125 out-of-bounds read vulnerability that can be triggered by an authenticated attacker sending malformed compressed data. Although the vulnerability results in an out-of-bounds read, it does not lead to data disclosure and the affected request is rejected. The CVSS 3.1 base score is 3.1, indicating low severity, with attack vector network, high attack complexity, low privileges required, no user interaction, unchanged scope, and low confidentiality impact. There are no known exploits in the wild and no cloud service implications.
Potential Impact
The vulnerability allows a minor out-of-bounds read which does not disclose data and does not affect integrity or availability. The malformed request is rejected, limiting potential impact. Overall, the impact is low.
Mitigation Recommendations
No official patch or remediation details are provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability requires authentication and the request is rejected, no urgent mitigation is indicated based on current information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-18T20:53:45.243Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad64a152cdf04f6566e6f46
Added to database: 10/19/2026, 16:49:25 UTC
Last enriched: 10/19/2026, 17:05:01 UTC
Last updated: 10/19/2026, 17:08:41 UTC
Views: 3
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