CVE-2026-67553
Last modified
CVE-2026-67553 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Qpid Proton-Dotnet | < 1.1.0 |
References
- https://lists.apache.org/thread/hvsncmcbgjrn85crs909nf4y3dqqrywoMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/08/04/24Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-67553?
How severe is CVE-2026-67553?
How do I fix CVE-2026-67553?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-67531FrontMCP is a TypeScript-first framework for the Model Conte…9.3
- CVE-2026-6754Use-after-free in the JavaScript Engine component. This vuln…7.5
- CVE-2026-6755Mitigation bypass in the DOM: postMessage component. This vu…6.5
- CVE-2026-67550re2 provides Node.js bindings for Google's RE2 regular expre…5.7
- CVE-2026-67551pre-authentication attacker could leverage type size/count h…7.5
- CVE-2026-67552A pre-authentication attacker could leverage type nesting to…7.5
- CVE-2026-67554An authenticated attacker can craft a disposition frame with…6.5
- CVE-2026-67555It was not possible to govern the maximum number of transfer…6.5
- CVE-2026-67558The Mira Android companion app v4.5.15.4 identifies the pair…8.2
- CVE-2026-6756Mitigation bypass in Firefox for Android. This vulnerability…7.5
- CVE-2026-67568The distributed Mira Android APK v4.5.15.4 allows an attacke…9.3
- CVE-2026-6757Invalid pointer in the JavaScript: WebAssembly component. Th…6.3
Are you affected by CVE-2026-67553?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST