CVE-2026-12343
Medium · 6.5CVSS
6.5
EPSS
0.2%
Published
Oct 19, 2026
CISA due date
—
The record
IBM MQ could allow an authenticated attacker to cause a denial of service due to improper validation of RFH2 message header fields in queued publish/subscribe operations.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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