PT-2026-68003 · Apache · Qpid Protonj2

CVE-2026-67591

Published

2026-08-05

Updated

2026-08-06

CVSS v3.1

6.5

Medium

Vector

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

Name of the Vulnerable Software and Affected Versions Apache Qpid ProtonJ2 versions prior to 1.2.0

Description An authenticated attacker could exceed the session flow control incoming window, which may result in a denial of service.

Recommendations Upgrade to version 1.2.0.

Exploit

Fix

DoS

Allocation of Resources Without Limits

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CVE-2026-67591

Qpid Protonj2