What is CVE-2026-67555?

CVE-2026-67555 is a medium-severity vulnerability in Apache Software Foundation Qpid Proton Dotnet, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-08-05.

How severe is CVE-2026-67555?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Apache Software Foundation Qpid Proton Dotnet

CVE-2026-67555

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service This issue affects Apache Qpid Proton-Dotnet…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Software Foundation Qpid Proton Dotnet — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@apache.org (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-67555?: CVE-2026-67555 is a medium-severity vulnerability in Apache Software Foundation Qpid Proton Dotnet, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-67555?: Medium severity. CVSS v3 base score is 6.5 out of 10.