CVE-2025-69223: AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb

January 5, 2026 (updated January 6, 2026)

A zip bomb can be used to execute a DoS against the aiohttp server.

References

github.com/advisories/GHSA-6mq8-rvhq-8wgg
github.com/aio-libs/aiohttp
github.com/aio-libs/aiohttp/commit/2b920c39002cee0ec5b402581779bbaaf7c9138a
github.com/aio-libs/aiohttp/security/advisories/GHSA-6mq8-rvhq-8wgg
nvd.nist.gov/vuln/detail/CVE-2025-69223

Code Behaviors & Features

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