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CVE-2026-76183

🗓️ 23 Sep 2026 11:16:09Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 18 Views

Authentication bypass in Apache Tomcat allows bypassing security constraints on WebSockets.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-76183
23 Sep 202613:10
circl
cvelist
Cvelist
CVE-2026-76183 Apache Tomcat: Bypass of security constraints for WebSocket endpoints
23 Sep 202611:16
cvelist
debiancve
Debian CVE
CVE-2026-76183
23 Sep 202611:16
debiancve
euvd
EUVD
EUVD-2026-85225
23 Sep 202611:16
euvd
nvd
NVD
CVE-2026-76183
23 Sep 202612:17
nvd
osv
OSV
DEBIAN-CVE-2026-76183
23 Sep 202612:17
osv
tomcat
Apache Tomcat
Fixed in Apache Tomcat 11.0.26
15 Sep 202600:00
tomcat
tomcat
Apache Tomcat
Fixed in Apache Tomcat 10.1.60
15 Sep 202600:00
tomcat
tomcat
Apache Tomcat
Fixed in Apache Tomcat 9.0.122
15 Sep 202600:00
tomcat
vulnrichment
Vulnrichment
CVE-2026-76183 Apache Tomcat: Bypass of security constraints for WebSocket endpoints
23 Sep 202611:16
vulnrichment
Vulners
Node
OR
apachetomcatMatch11.0.0-m1
apachetomcatMatch10.1.0-m1
apachetomcatMatch9.0.0.m1
apachetomcatMatch8.5.0
apachetomcatMatch7.0.43
apachetomcatRange<7.0.43
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat",
    "versions": [
      {
        "status": "affected",
        "version": "11.0.0-M1",
        "lessThanOrEqual": "11.0.25",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "10.1.0-M1",
        "lessThanOrEqual": "10.1.59",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.0.0.M1",
        "lessThanOrEqual": "9.0.121",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "8.5.0",
        "lessThanOrEqual": "8.5.100",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "7.0.43",
        "lessThanOrEqual": "7.0.109",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "7.0.43",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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23 Sep 2026 19:19Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
SSVC
18