CVE-2026-66274

7.5 HIGH

Published 2026-08-05 · Updated 2026-08-07

AI risk analysis

Summary: The flaw allows a pre-authentication attacker to cause a StackOverflowError through type nesting, potentially leading to denial of service.
Exploitability: Exploitation requires specific conditions and is moderately difficult; attackers must be able to manipulate type nesting in the application.
Blast radius: If exploited, this could result in denial of service for affected services, impacting availability but not data integrity or confidentiality.
Prioritized remediation: Upgrade to Apache Qpid Proton-J version 0.35.0 immediately to address the issue.

dostype-nestingdenial-of-service

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-674

Vendors

apache

Products

qpid proton-j

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.