What is CVE-2026-92550?

CVE-2026-92550 is a high-severity vulnerability in Apache Qpid Broker-J, classified under CWE-789. CVSS score: 7.5/10. Published 2026-09-25.

How severe is CVE-2026-92550?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apache Qpid Broker-J

CVE-2026-92550

A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Broker-J: through 10.1.0. Users are recommended to upgrade to version 10.1.1, which fixes the issue.

Published 2026-09-25 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.9th percentile), scored 2026-11-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-789

References

lists.apache.org/thread/56w1kxz9h23q364ffyvj7cssdhnld5dq (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-92550?: CVE-2026-92550 is a high-severity vulnerability in Apache Qpid Broker-J, classified under CWE-789. CVSS score: 7.5/10. Published 2026-09-25.
How severe is CVE-2026-92550?: High severity. CVSS v3 base score is 7.5 out of 10.