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CVE-2026-69243 AIOHTTP: HTTP request smuggling via WebSocket upgrade

🗓️ 03 Aug 2026 20:45:43Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

AIOHTTP older than 3.14.2 allows request smuggling via WebSocket upgrade when a body is sent.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-69243
4 Aug 202619:45
githubexploit
nessus
Tenable Nessus
aiohttp < 3.14.2 HTTP Request Smuggling
7 Aug 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-69243
4 Aug 202600:00
nessus
attackerkb
ATTACKERKB
CVE-2026-69243
3 Aug 202620:45
attackerkb
bdu_fstec
BDU FSTEC
The vulnerability of the aiohttp HTTP client’s HTTP request parser allows attackers to bypass existing security mechanisms.
6 Aug 202600:00
bdu_fstec
cgr
Chainguard
CVE-2026-69243 vulnerabilities
4 Aug 202614:17
cgr
circl
Circl
CVE-2026-69243
4 Aug 202603:31
circl
cve
CVE
CVE-2026-69243
3 Aug 202620:45
cve
debiancve
Debian CVE
CVE-2026-69243
3 Aug 202620:45
debiancve
euvd
EUVD
EUVD-2026-52436
3 Aug 202620:45
euvd
Rows per page
[
  {
    "vendor": "aio-libs",
    "product": "aiohttp",
    "versions": [
      {
        "version": "< 3.14.2",
        "status": "affected"
      }
    ]
  }
]

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