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

aiohttp: HTTP/1 Pipelined Requests Queue Without Limit

CVE-2026-54273

Description

Summary

No limit was present on the number of pipelined requests that could be queued.

Impact

An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS.

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Patch: https://github.com/aio-libs/aiohttp/commit/dfdfa9d5aad5d21f91c79fb2ceeba0f8046cb6cf

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

31

Patches

Vulnerability mechanics

References

3

News mentions

1