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GHSA-9x8q-7h8h-wcw9

aiohttp: Payload Response Resources Are Not Closed After Mid-Body Disconnect

Source: GitHub Advisory Database (reviewed) Low CVE-2026-54280

Packages

EcosystemPackageAffectedFixed in
PyPI aiohttp < 3.14.1 3.14.1

Details

As written in the advisory (Markdown source, shown as plain text).

### Summary Payload resources are not closed correctly when a client disconnects in the middle of a write. ### Impact If a payload is using an open file or similar limited resource, then an attacker may be able to cause resource starvation temporarily until garbage collection or similar closes the file. ----- Patch: https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587

References

External links from the advisory. They lead to third-party sites.