AUGUST 16, 2026
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Case File

CVE-2026-66257

HIGH · CVSS 7.5 EPSS 0.43%

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

Apache Qpid Proton-J versions up to 0.34.1 are vulnerable to a denial of service attack due to unbounded symbol value caching, allowing pre-authentication attackers to exhaust system resources. Organizations using this messaging library should prioritize upgrading to version 0.35.0 to mitigate the risk of service disruption.

CVE
CVE-2026-66257
Severity
HIGH
CVSS
7.5
EPSS
0.43%
Apache

Original NVD Description

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-68971 MEDIUM CVE-2026-68970 MEDIUM CVE-2026-68969 MEDIUM CVE-2026-68968 HIGH CVE-2026-68076 MEDIUM CVE-2026-65017 MEDIUM