An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. (CVE-2026-66275)
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.
AI Analysis
Technical Summary
CVE-2026-66275 describes a vulnerability in Apache Qpid Proton-J up to version 0.34.1 where an authenticated attacker can exceed the session flow control incoming window. This flaw can lead to denial of service by exhausting resources or disrupting normal session flow control. The vulnerability is addressed by upgrading to version 0.35.0, which contains the fix.
Potential Impact
The vulnerability allows an authenticated attacker to cause a denial of service by exceeding the session flow control incoming window, potentially disrupting service availability. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later to remediate this vulnerability. No other mitigation is indicated.
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. (CVE-2026-66275)
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.
CVSS v3.1
Score 6.5medium
Affected software
pkg:maven/org.apache.qpid/proton-jRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-66275 describes a vulnerability in Apache Qpid Proton-J up to version 0.34.1 where an authenticated attacker can exceed the session flow control incoming window. This flaw can lead to denial of service by exhausting resources or disrupting normal session flow control. The vulnerability is addressed by upgrading to version 0.35.0, which contains the fix.
Potential Impact
The vulnerability allows an authenticated attacker to cause a denial of service by exceeding the session flow control incoming window, potentially disrupting service availability. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Qpid Proton-J to version 0.35.0 or later to remediate this vulnerability. No other mitigation is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vx3v-mcrw-7985
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-66275"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7573adbf8831d539d930b6
Added to database: 08/07/2026, 05:57:01 UTC
Last enriched: 08/07/2026, 08:15:39 UTC
Last updated: 09/21/2026, 22:01:36 UTC
Views: 87
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