CVE-2026-67591

MediumCVSS 6.5/10Last modified Oct 24, 2026

Description

An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

VendorProductVersions
Apache Software FoundationApache Qpid ProtonJ2<= 1.1.0

References

Timeline

Published
Aug 5, 2026
Last modified
Oct 24, 2026
NVD status
Analyzed

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CVE-2026-67591: Medium severity, CVSS 6.5 | Vulnix