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Multipart Header Bypass

🗓️ 04 Apr 2026 05:34:36Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode🔗 sca.analysiscenter.veracode.com👁 7 Views

Aiohttp is vulnerable to a multipart header bypass due to insufficient size checks, causing memory exhaustion.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Security vulnerability in Python affects IBM Robotic Process Automation and IBM Robotic Process Automation for Cloud Pak
20 Jun 202612:52
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM Observability with Instana (OnPrem)
5 Jun 202607:26
–ibm
Tenable Nessus		aioHTTP < 3.13.4 Multiple Vulnerabilities (CVE-2026-22815)
3 Apr 202600:00
–nessus
Tenable Nessus		Debian dla-4613 : python-aiohttp-doc - security update
1 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES16 Security Update : python-aiohttp (SUSE-SU-2026:22173-1)
26 Jun 202600:00
–nessus
Tenable Nessus		SUSE SLES15 Security Update : python-aiohttp (SUSE-SU-2026:3059-1)
16 Jul 202600:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2026-34516
3 Apr 202600:00
–nessus
ATTACKERKB		CVE-2026-34516
1 Apr 202620:13
–attackerkb
AlpineLinux		CVE-2026-34516
1 Apr 202620:13
–alpinelinux
BDU FSTEC		The vulnerability of the aiohttp HTTP client, related to unlimited resource distribution or throttling, allows attackers to cause service failures.
13 Jul 202600:00
–bdu_fstec
Rows per page
Vulners
Node
OR
AND
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AND
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alpinelinuxalpine_linuxMatchedge
OR
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18 Jul 2026 16:16Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.7
EPSS0.0044
SSVC
multipart headersheader bypasssize checks inadequatememory exhaustion
7