Vulnerability details

CVE-2026-92550

Apache Software Foundation Apache Qpid Broker-J

Apache Qpid Broker-J: Type size/count handling can lead to excessive allocation pre-authentication in the AMQP 0-8/0-9/0-9-1 decoder

CVSS 3.1

7.5High

Official description

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.

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Affected products

Vendor	Product	Versions	Source
Apache Software Foundation	Apache Qpid Broker-J	v ≤ 10.1.0	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-09-25
Last updated: 2026-09-25
State: Published
Assigner (CNA): apache

Exploit prediction (EPSS)

0.48%

Probability of exploitation in 30 days

41.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-789
Memory allocation with excessive size value