CVE-2026-66276

—

CVSS 3.1

6.5 medium

EPSS

<1%p36

Published

Aug 5, 2026 (Aug 5, 2026)

Modified

Aug 7, 2026

Description

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, 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.

Vendors: apache
Products: qpid proton-j
Weakness: CWE-606
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news0 stories

No ingested article mentions this CVE yet.