CVE-2026-66274
published 2026-08-05CVE-2026-66274: A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service. This issue affects Apache…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.49%
40.6th percentile
A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.
This issue affects Apache Qpid Proton-J: through 0.34.1.
Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | qpid_proton-j | < 0.35.0 | 0.35.0 |
| apache_software_foundation | apache_qpid_proton-j | <= 0.34.1 | — |
| apache_software_foundation | apache_qpid_proton-j | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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VulDB
Apache Qpid Proton-J up to 0.34.1 Type Nesting recursion
vuldb·2026-08-09·CVSS 7.5
CVE-2026-66274 [HIGH] Apache Qpid Proton-J up to 0.34.1 Type Nesting recursion
A vulnerability identified as critical has been detected in Apache Qpid Proton-J up to 0.34.1. This affects an unknown function of the component Type Nesting Handler. Performing a manipulation results in uncontrolled recursion.
This vulnerability is identified as CVE-2026-66274. The attack can be initiated remotely. There is not any exploit available.
You should upgrade the affected component.
GHSA
A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.
ghsa_unreviewed·2026-08-05
CVE-2026-66274 CWE-674 A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.
A pre-authentication attacker could leverage type nesting to cause a StackOverflowError potentially leading to denial of service.
This issue affects Apache Qpid Proton-J: through 0.34.1.
Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Red Hat
org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting
vendor_redhat·2026-08-05·CVSS 7.5
CVE-2026-66274 [HIGH] CWE-770 org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting
org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting
A flaw was found in Apache Qpid Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service.
Package: amq-broker-bin.zip (Red Hat AMQ Broker 7) - Affected
Package: amq-broker-maven-repository.zip (Red Hat AMQ Broker 7) - Affected
Package: proton-j (Red Hat AMQ Clients) - Affected
Package: proton-j (Red Hat build of Apache Camel 4 for Quarkus 3) - Affected
Package: rhaf-camel-for-springboot-maven-repository.zip (Red Hat build of Apache Camel for Spring Boot 4) - Affected
Package: rhaf-camel-maven-rep
No detection rules found.
No public exploits indexed.
2026-08-05
Published