What is CVE-2025-12755?

CVE-2025-12755 is a medium-severity vulnerability in IBM Mq Operator, classified under Improper Output Neutralization for Logs. CVSS score: 4.0/10. Published 2026-02-17.

How severe is CVE-2025-12755?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in IBM Mq Operator

CVE-2025-12755

IBM MQ Operator (SC2 v3.2.0–3.8.1, LTS v2.0.0–2.0.29) and IBM‑supplied MQ Advanced container images (across affected SC2, CD, and LTS 9.3.x–9.4.x releases) contain a vulnerability where log messages are not properly neutralized before being written to log files. This flaw could allow an unauthorized user to inject malicious data into MQ log entries, potentially leading to misleading logs, log manipulation, or downstream log‑processing issues.

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Ibm Mq Operator — versions SC2: v3.2.0, CD: v3.3.0, LTS: v2.0.0
Ibm Supplied Mq Advanced Container Images — versions SC2: 9.4.0.6

Weakness classification (CWE)

CWE-117 — Improper Output Neutralization for Logs

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-12755?: CVE-2025-12755 is a medium-severity vulnerability in IBM Mq Operator, classified under Improper Output Neutralization for Logs. CVSS score: 4.0/10. Published 2026-02-17.
How severe is CVE-2025-12755?: Medium severity. CVSS v3 base score is 4.0 out of 10.