IBM MQ .NET client is vulnerable to XML external entity injection (IBM MQ)

CVE-2026-12667
HIGH 7.1

At a glance

Source
NVD
EPSS
EPSS 0.27 % · percentile 18 ()
State
PUBLISHED
Published
Updated
Assigner
ibm
NVD status
Awaiting Analysis

Description

IBM MQ 9.1.0.0 through 9.1.0.37 LTS, 9.2.0.0 through 9.2.0.43 LTS, 9.3.0.0 through 9.3.0.41 LTS, 9.3.0.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.25 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 could allow an authenticated attacker to read files from a vulnerable .NET client or cause limited denial of service due to improper handling of XML external entities in RFH2 folder parsing.

Weaknesses (CWE)

  • CWE-611 — Improper Restriction of XML External Entity Reference

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Libm
CVSS 3.1HIGH 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:LNVD · psirt@us.ibm.com (Secondary)

European references

Affected products

ProductVersions
IBM · MQaffected 9.1.0.0 ≤ 9.1.0.37 LTS ; affected 9.2.0.0 ≤ 9.2.0.43 LTS ; affected 9.3.0.0 ≤ 9.3.0.41 LTS ; affected 9.3.0.0 ≤ 9.3.5.1 CD ; affected 9.4.0.0 ≤ 9.4.0.25 LTS ; affected 9.4.0.0 ≤ 9.4.5.1 CD

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD