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CVE-2026-32136

🗓️ 11 Mar 2026 21:42:31Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views🌐 WEB

Unauthenticated attacker bypasses auth by upgrading to HTTP/2 cleartext in AdGuard Home; fixed 0.107.73.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
adguardadguardhomeRange<0.107.73
[
  {
    "vendor": "AdguardTeam",
    "product": "AdGuardHome",
    "versions": [
      {
        "version": "< 0.107.73",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
Upgrade: h2cheader/control/filtering/statusUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Connection: Upgradeheader/control/filtering/statusUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Upgrade: h2cheader/control/statusUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Connection: Upgradeheader/control/statusUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Upgrade: h2cheader/control/clientsUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Connection: Upgradeheader/control/clientsUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Upgrade: h2cheader/control/dns_infoUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Connection: Upgradeheader/control/dns_infoUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Upgrade: h2cheader/control/querylogUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
Connection: Upgradeheader/control/querylogUnauthenticated upgrade to HTTP/2 (h2c) can bypass authentication on subsequent requests after upgrade.CWE-287
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13 Mar 2026 20:19Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
EPSS0.00898
SSVC
8