VDB

CVE-2026-66274

CVE-2026-66274 PUBLISHED CVSS 7.5 HIGH

Reported by apache · Published August 5, 2026

A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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.

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Apache Software FoundationApache Qpid Proton-J0
Apache Software FoundationApache Qpid Proton-J0
chainguardlogstash-8.190

Timeline

  • Aug 5, 2026 Coalition ESS Score
  • Aug 5, 2026 CVE Published
  • Aug 6, 2026 CVE Updated
  • Aug 7, 2026 EPSS Score
  • Aug 8, 2026 EPSS Score
  • Aug 24, 2026 EPSS Score
  • Aug 26, 2026 EPSS Score
  • Aug 30, 2026 EPSS Score
  • Sep 3, 2026 EPSS Score
  • Sep 4, 2026 Distribution Patch
  • Sep 4, 2026 Security Advisory
  • Sep 6, 2026 EPSS Score
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