CVE-2026-52723

🗓️ 18 Aug 2026 16:50:49Reported by GitHub_MType

cve🔗 web.nvd.nist.gov👁 47 Views🌐 WEB

ePA 3.x Integration VAU server certificate validation bypass enables MITM access to encrypted medical data traffic.

Reporter	Title	Published	Views	Family All 7
Circl	CVE-2026-52723	18 Aug 202618:10	–	circl
Cvelist	CVE-2026-52723 ePA 3.x Integration: VAU Server Authentication Bypass via Circular Certificate Trust	18 Aug 202616:50	–	cvelist
EUVD	EUVD-2026-61055	18 Aug 202616:50	–	euvd
NVD	CVE-2026-52723	18 Aug 202617:16	–	nvd
Positive Technologies	PT-2026-77223	18 Aug 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-52723: Improper Certificate Validation	18 Aug 202600:00	–	rapid7
Vulnrichment	CVE-2026-52723 ePA 3.x Integration: VAU Server Authentication Bypass via Circular Certificate Trust	18 Aug 202616:50	–	vulnrichment

[
  {
    "vendor": "fbeta-GmbH",
    "product": "ePA3-Service-OpenSource",
    "versions": [
      {
        "version": "< 1.3.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/fbeta-GmbH/ePA3-Service-OpenSource/releases/tag/1.3.0
github	www.github.com/fbeta-GmbH/ePA3-Service-OpenSource/commit/197c8c7fc41675f19c7f448696a2bc63fab9db5b
machinespirits	www.machinespirits.de/advisory/a1da93
github	www.github.com/fbeta-GmbH/ePA3-Service-OpenSource/security/advisories/GHSA-q2jw-6c4w-86jc
github	www.github.com/fbeta-GmbH/ePA3-Service-OpenSource/pull/12

Parameter	Position	Path	Description	CWE
signed_vau_server_pub_keys	path	app/vau/VAUProtokoll.py	VAU server certificate validation not anchored and TLS verification disabled during VAU handshake, enabling MITM impersonation and access to encrypted VAU traffic.	CWE-295
AUT_VAU_CertData	path	app/vau/VAUProtokoll.py	VAU server certificate validation not anchored and TLS verification disabled during VAU handshake, enabling MITM impersonation and access to encrypted VAU traffic.	CWE-295

08 Sep 2026 21:02Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.19.1

EPSS0.00383

SSVC

CWE-295