CVE-2026-66275
Last modified
CVE-2026-66275 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-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.. EPSS estimates a 0.17% 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-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, 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
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Qpid Proton-J | <= 0.34.1 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-66275?
How severe is CVE-2026-66275?
How do I fix CVE-2026-66275?
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-2026-6625A security vulnerability has been detected in moxi624 Mogu B…7.3
- CVE-2026-66257A pre-authentication attacker could leverage unbounded symbo…7.5
- CVE-2026-6626A vulnerability was detected in Cockpit-HQ Cockpit up to 2.1…6.3
- CVE-2026-6627The WPFormify – Stripe Payments with Form and Checkout plugi…8.2
- CVE-2026-66273A pre-authentication attacker could leverage type size/count…7.5
- CVE-2026-66274A pre-authentication attacker could leverage type nesting to…7.5
- CVE-2026-66276An authenticated attacker can craft a disposition frame with…6.5
- CVE-2026-66277It was not possible to govern the maximum number of transfer…6.5
- CVE-2026-6628A flaw has been found in phili67 Ecclesia CRM up to 8.0.0. T…6.3
- CVE-2026-6629A vulnerability has been found in Metasoft 美特软件 MetaCRM up t…7.3
- CVE-2026-66296Improper Neutralization of Input During Web Page Generation …5.1
- CVE-2026-66297Improper Neutralization of Special Elements used in an OS Co…4.9
Are you affected by CVE-2026-66275?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
