EUVD-2026-18029

| CVE-2026-22815 MEDIUM
2026-04-01 https://github.com/aio-libs/aiohttp GHSA-w2fm-2cpv-w7v5
6.9
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
EUVD ID Assigned
Apr 01, 2026 - 19:45 euvd
EUVD-2026-18029
Analysis Generated
Apr 01, 2026 - 19:45 vuln.today
Patch Released
Apr 01, 2026 - 19:45 nvd
Patch available
CVE Published
Apr 01, 2026 - 19:45 nvd
MEDIUM 6.9

Tags

Denial Of Service Redhat Suse

Description

### Summary Insufficient restrictions in header/trailer handling could cause uncapped memory usage. ### Impact An application could cause memory exhaustion when receiving an attacker controlled request or response. A vulnerable web application could mitigate these risks with a typical reverse proxy configuration. ----- Patch: https://github.com/aio-libs/aiohttp/commit/0c2e9da51126238a421568eb7c5b53e5b5d17b36

Analysis

Memory exhaustion in aiohttp's header and trailer handling allows remote attackers to cause denial of service by sending attacker-controlled HTTP requests or responses with uncapped header/trailer values. The vulnerability affects aiohttp Python library across affected versions, enabling attackers to exhaust application memory without authentication. …

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Priority Score

35
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

Vendor Status

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EUVD-2026-18029 vulnerability details – vuln.today
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