Is aiohttp affected by CVE-2025-69223?

PyPI aiohttp is affected in <3.13.3.

Is CVE-2025-69223 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2025-69223

Q: Is CVE-2025-69223 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

PyPI · aiohttp

Summary

AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb

Severity: high
EPSS: 0.3% (p21)
Also known as: GHSA-6mq8-rvhq-8wgg
Published: 2026-01-05

References

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

Related advisories

CVE-2026-54274 — medium · PyPI/aiohttp
CVE-2026-54273 — medium · PyPI/aiohttp
CVE-2026-54278 — medium · PyPI/aiohttp
CVE-2026-54277 — medium · PyPI/aiohttp
CVE-2026-54276 — medium · PyPI/aiohttp
CVE-2026-47265 — medium · PyPI/aiohttp
CVE-2026-34993 — medium · PyPI/aiohttp
CVE-2026-34525 — medium · PyPI/aiohttp

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.