PT-2026-29601 · Aiohttp+3 · Aiohttp+3

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CVE-2026-22815

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Published

2026-01-11

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Updated

2026-08-21

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4
Description Insufficient restrictions in header/trailer handling could lead to uncapped memory usage. An application could experience memory exhaustion when processing attacker-controlled requests or responses. A vulnerable web application could mitigate these risks with a typical reverse proxy configuration.
Recommendations Update to version 3.13.4 or later.

Exploit

Fix

DoS

Resource Exhaustion

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

AZL-81755
BDU:2026-09511
CLEANSTART-2026-AN24336
CLEANSTART-2026-AN27706
CLEANSTART-2026-AZ09261
CLEANSTART-2026-CQ05396
CLEANSTART-2026-EM82280
CLEANSTART-2026-FU07345
CLEANSTART-2026-HP19968
CLEANSTART-2026-IR98353
CLEANSTART-2026-KE11953
CLEANSTART-2026-MR94452
CLEANSTART-2026-NL78203
CLEANSTART-2026-NM83456
CLEANSTART-2026-QE89118
CLEANSTART-2026-SO50412
CLEANSTART-2026-WQ85001
CLEANSTART-2026-WU03167
CVE-2026-22815
ECHO-B104-18BE-DBA6
GHSA-W2FM-2CPV-W7V5
OESA-2026-2192
OESA-2026-2193
OESA-2026-2194
OPENSUSE-SU-2026:21098-1
PYSEC-2026-2094
SUSE-SU-2026:22173-1
SUSE-SU-2026:3059-1
SUSE-SU-2026:3207-1
USN-8591-1

Affected Products

Aiohttp
Linuxmint
Red Os
Ubuntu