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CVE-2026-54278

6.6 medium SSVC exploitation: none Analyzed
NVD · CVE.org

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in specific situations that could be decompressed into memory, potentially leading to DoS (a zip bomb edge case). This vulnerability is fixed in 3.14.1.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.6 · aiohttpNVD modified 2026-10-25 23:10

Affected (CPE criteria) 1

  • cpe:2.3:a:aiohttp:aiohttp:*:*:*:*:*:*:*:*

References 2