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CVE-2026-13284VulnerabilityPublished

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

Source GCVE Database

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Authoritative record:CVE-2026-13284· High 7.1

Not known to be exploited · CVSS 7.1 High.

Data as of 4 Nov 2026, 22:37 UTC

CVSS 3.1 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.17.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
IBMMQAffected
  • >=9.2.0.0 <=9.2.0.44
  • >=9.3.0.0 <=9.3.0.42
  • >=9.4.0.0 <=9.4.0.26
  • >=9.4.0.0 <=9.4.5.1
  • >=10.0.0.0 <=10.0.0.5
Fixed in–
Mavencom.ibm.mq/mqpkg:maven/com.ibm.mq/mqOther threatsAffected
  • >=9.2.0.0 <=9.2.0.44
  • >=9.3.0.0 <=9.3.0.42
  • >=9.4.0.0 <=9.4.0.26
  • >=9.4.0.0 <=9.4.5.1
  • >=10.0.0.0 <=10.0.0.5
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, consider restricting XML input sources or applying XML processing mitigations if feasible.

Description

IBM MQ versions 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 are vulnerable to an XML external entity (XXE) injection vulnerability. This flaw allows a remote attacker with low privileges to exploit XML processing to disclose sensitive information or cause memory resource consumption. The vulnerability has a high severity rating with a CVSS score of 7.1. No public exploits or patches are currently documented in the provided data.

References

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