Lucene search
+L

EUVD-2026-101881

🗓️ 15 Oct 2026 07:02:10Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 5 Views

Improper certificate validation in Cato Client tunnel handshake allows MITM traffic interception.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-19377
15 Oct 202607:18
–circl
cve
CVE
CVE-2026-19377
15 Oct 202607:02
–cve
cvelist
Cvelist
CVE-2026-19377 Improper certificate validation in Cato Client tunnel handshake
15 Oct 202607:02
–cvelist
nvd
NVD
CVE-2026-19377
15 Oct 202607:17
–nvd
ptsecurity
Positive Technologies
PT-2026-114811
15 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-19377 Improper certificate validation in Cato Client tunnel handshake
15 Oct 202607:02
–vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "776352fe-4e08-3fa2-b9cd-8096390e62a6",
        "vendor": {
          "name": "Cato Networks"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "35e9f530-49ce-3157-830c-91d00952a1b8",
        "product": {
          "name": "Cato Client for macOS",
          "vendor": {
            "name": "Cato Networks"
          }
        },
        "product_version": "0 <6.1.1"
      },
      {
        "id": "41538cf0-1e14-3429-85b1-985975af161c",
        "product": {
          "name": "Cato Client for Android",
          "vendor": {
            "name": "Cato Networks"
          }
        },
        "product_version": "0 <5.6.2"
      },
      {
        "id": "4b287362-814a-3eb7-a989-e5e36524a37b",
        "product": {
          "name": "Cato Client for Windows",
          "vendor": {
            "name": "Cato Networks"
          }
        },
        "product_version": "0 <6.12.6"
      },
      {
        "id": "56db55c0-a931-3087-b825-613336c9e913",
        "product": {
          "name": "Cato Client for iOS",
          "vendor": {
            "name": "Cato Networks"
          }
        },
        "product_version": "0 <5.9"
      },
      {
        "id": "6edc64b2-7ebf-38c5-b43a-05ee53aacb48",
        "product": {
          "name": "Cato Client for Linux",
          "vendor": {
            "name": "Cato Networks"
          }
        },
        "product_version": "0 <5.8.1"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

15 Oct 2026 14:22Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46
EPSS0.00083
SSVC
5