Findings

CVE-2026-22815

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.

Published Apr 1, 2026 · updated Jun 17, 2026 · aiohttp aiohttp

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 1, 2026 · NIST NVD

    Detected

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

  2. Jun 17, 2026 · NIST NVD

    Updated

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

Affected

  • cpe aiohttp/aiohttpversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-22815

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-22815

    AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

    nvd.nist.gov

References

CVE-2026-22815 · ZeroDay Findings