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CVE-2026-47692 Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application stream

🗓️ 26 Jun 2026 17:59:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Envoy PROXY Protocol version two header may emit extra TLVs, spilling up to 65 KB upstream; fixed in later releases.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-47692
26 Jun 202617:59
attackerkb
CVE
CVE-2026-47692
26 Jun 202617:59
cve
EUVD
EUVD-2026-39827
26 Jun 202617:59
euvd
NVD
CVE-2026-47692
26 Jun 202618:16
nvd
Positive Technologies
PT-2026-52885
26 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-47692 Envoy: PROXY Protocol v2 header generator emits "skipped" TLVs, causing 65 KB attacker-controlled spillover into the upstream application stream
26 Jun 202617:59
vulnrichment
[
  {
    "vendor": "envoyproxy",
    "product": "envoy",
    "versions": [
      {
        "version": ">= 1.38.0, < 1.38.3",
        "status": "affected"
      },
      {
        "version": ">= 1.37.0, < 1.37.5",
        "status": "affected"
      },
      {
        "version": ">= 1.36.0, < 1.36.9",
        "status": "affected"
      },
      {
        "version": ">= 1.34.0, < 1.35.13",
        "status": "affected"
      }
    ]
  }
]

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