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CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS

🗓️ 26 Aug 2026 08:47:08Reported by NLnet LabsType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

ACL bypass on proxy protocol port via duplicate query over kept-open TCP or TLS connection.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-19538
26 Aug 202608:47
cve
euvd
EUVD
EUVD-2026-66376
26 Aug 202608:47
euvd
nvd
NVD
CVE-2026-19538
26 Aug 202609:16
nvd
ptsecurity
Positive Technologies
PT-2026-82048
26 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-19538
26 Aug 202612:02
redhatcve
vulnrichment
Vulnrichment
CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS
26 Aug 202608:47
vulnrichment
[
  {
    "vendor": "NLnet Labs",
    "product": "NSD",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "4.8.0",
        "status": "affected",
        "lessThan": "4.15.1",
        "versionType": "semver"
      }
    ]
  }
]

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