VulnSocial

CVE-2026-111749

LOWCVSS 2.3 · LOW

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Host-Only scope on an existing parent-domain cookie can be removed by a subdomain. A user who accesses an untrusted subdomain can consequently have host-only protections stripped from cookies, although impact is limited when applications do not reflect those cookies to a browser. This issue is fixed in version 3.14.4.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-565

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Deep dive

Full discourse1 post
  • DailyCVE@dailycve

    🔵 AIOHTTP Cookie Scope Removal #CVE-2026-111749 Low Severity -DC-Oct2026-3463 https://dailycve.com/aiohttp-cookie-scope-removal-cve-2026-111749-low-severity-dc-oct2026-3463/

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    245 followersView on X

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