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Low severityGHSA Advisory· Published Jun 15, 2026· Updated Jun 15, 2026

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

CVE-2026-54280

Description

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.

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Patch: https://github.com/aio-libs/aiohttp/commit/a762eda5242f6490d6ba667533193f8b473ad587

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
aiohttpPyPI
< 3.14.13.14.1

Affected products

30

Patches

Vulnerability mechanics

References

3

News mentions

1