GitHub Advisoryadvisory · PyPI

GHSA-6cjc-53gc-5rqm AIOHTTP: Connector pool exhaustion via Max-Age overflow

MEDIUM Published 2026-10-20 Modified 2026-10-20 Official page ↗
Aliases
CVE-2026-111065
Ecosystem
PyPI
Packages
aiohttp
Severity
Moderate
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weaknesses
CWE-770
Reviewed
2026-10-20

Affected packages

• PyPI aiohttp: < 3.14.4 → fixed in 3.14.4

Description

Summary An overflow in Max-Age processing can skip closing a connection. Impact An attacker may be able to exhaust the connection pool temporarily, until garbage collection resolves the connections.

Related

Alias · CVE (1)

  • CVE-2026-111065 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. vulnerability

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References