aiohttp: HTTP/1 Pipelined Requests Queue Without Limit

When

2026-06-15 20:10 UTC

Where

Global (internet)

Category

cyber_advisory · pip

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

Sources

• GitHub Advisory Database ↗ · first seen 2026-06-15 20:10 UTC

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Correlated events

Computed by the Defaxon correlation engine — linked by shared actors, co-location, and temporal proximity. Scored hypotheses, never causal claims.

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