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CVE-2026-91129

🗓️ 22 Sep 2026 19:05:15Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 55 Views🌐 WEB

Local-network SSRF in Home Assistant IPP prior to 2026.2.3 via unauthenticated mDNS.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-91129
22 Sep 202620:22
–circl
cvelist
Cvelist
CVE-2026-91129 Home Assistant: mDNS Server-Side Request Forgery
22 Sep 202619:05
–cvelist
euvd
EUVD
EUVD-2026-84804
22 Sep 202619:05
–euvd
github
Github Security Blog
Home Assistant: mDNS Server-Side Request Forgery
22 Sep 202620:40
–github
mend
Mend
CVE-2026-91129
22 Sep 202619:05
–mend
nvd
NVD
CVE-2026-91129
22 Sep 202619:16
–nvd
osv_ghsa
osv_ghsa
GHSA-4GHV-53CQ-7WP3 Home Assistant: mDNS Server-Side Request Forgery
22 Sep 202620:40
–osv_ghsa
osv_pysec
osv_pysec
PYSEC-2026-4051 Home Assistant: mDNS Server-Side Request Forgery
1 Oct 202616:38
–osv_pysec
ptsecurity
Positive Technologies
PT-2026-105808
1 Oct 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-93226
12 Aug 202600:00
–ptsecurity
Rows per page
Vulners
[
  {
    "vendor": "home-assistant",
    "product": "core",
    "versions": [
      {
        "version": "< 2026.2.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
hostpath/config_flow.pyThe IPP integration processes unauthenticated mDNS announcements and passes attacker-controlled host, port, and base_path values to a shared HTTP client that follows cross-origin redirects to loopback targets.CWE-918
portpath/config_flow.pyThe IPP integration processes unauthenticated mDNS announcements and passes attacker-controlled host, port, and base_path values to a shared HTTP client that follows cross-origin redirects to loopback targets.CWE-918
base_pathpath/config_flow.pyThe IPP integration processes unauthenticated mDNS announcements and passes attacker-controlled host, port, and base_path values to a shared HTTP client that follows cross-origin redirects to loopback targets.CWE-918

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25 Sep 2026 14:10Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
EPSS0.00294
SSVC
55