Quick answers
- Is CVE-2026-13284 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-13284 being exploited in the wild.
- How severe is CVE-2026-13284?
- High severity, with a CVSS score of 7.1, published 4 November 2026.
- Which products and versions are affected?
- IBM Mq 9.2.0.0–9.2.0.44 LTS, 9.3.0.0–9.3.0.42 LTS, 9.4.0.0–9.4.0.26 LTS, 9.4.0.0–9.4.5.1 CD, 10.0.0.0–10.0.0.5 LTS and CD.
- Is there a fix for CVE-2026-13284?
- Yes: fixed in IBM MQ 9.2.0.46 LTS, 9.3.0.43 LTS, 9.4.0.30 LTS, 10.0.0.6 LTS, 10.0.1.0 CD. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-13284 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-13284?
- Check whether you run IBM Mq at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: IBM MQ 9.2.0.46 LTS, 9.3.0.43 LTS, 9.4.0.30 LTS, 10.0.0.6 LTS, 10.0.1.0 CD
Technical details
IBM MQ's Managed File Transfer component fails to properly restrict XML external entity references (CWE-611) when processing XML data. An authenticated attacker on the network can exploit this XXE vulnerability to read arbitrary files or exhaust server memory resources. Fixes are available in 9.2.0.46, 9.3.0.43, 9.4.0.30, and 10.0.0.6 LTS versions, or 10.0.1.0 CD.
Affected products
- IBM MQ 9.2.0.0–9.2.0.44 LTS, 9.3.0.0–9.3.0.42 LTS, 9.4.0.0–9.4.0.26 LTS, 9.4.0.0–9.4.5.1 CD, 10.0.0.0–10.0.0.5 LTS and CD
Timeline
- 2026-10-29: disclosed