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CVE-2026-111749

🗓️ 19 Oct 2026 17:04:42Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Host-Only scope on parent-domain cookies can be removed by a subdomain in AIOHTTP.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-111749
19 Oct 202617:15
–circl
cvelist
Cvelist
CVE-2026-111749 AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies
19 Oct 202617:04
–cvelist
debiancve
Debian CVE
CVE-2026-111749
19 Oct 202617:04
–debiancve
euvd
EUVD
EUVD-2026-104485
20 Oct 202619:58
–euvd
github
Github Security Blog
AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies
20 Oct 202619:58
–github
mend
Mend
CVE-2026-111749
19 Oct 202617:04
–mend
nvd
NVD
CVE-2026-111749
19 Oct 202617:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-111749
20 Oct 202609:47
–osv_debian
osv_echo
osv_echo
ECHO-A1D2-3CCE-F75B
20 Oct 202621:12
–osv_echo
osv_ghsa
osv_ghsa
GHSA-GX76-C99X-2C96 AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies
20 Oct 202619:58
–osv_ghsa
Rows per page
Vulners
Node
aiohttpaiohttpRange<3.14.4
[
  {
    "vendor": "aio-libs",
    "product": "aiohttp",
    "versions": [
      {
        "version": "< 3.14.4",
        "status": "affected"
      }
    ]
  }
]

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19 Oct 2026 20:55Current
5.8Medium risk
Vulners AI Score5.8
CVSS 42.3
EPSS0.00294
9