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CVE-2026-55957 Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind

🗓️ 29 Jun 2026 20:47:12Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Tomcat authentication bypass via JNDI Realm using GSS API binds; upgrade to fixed versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-55957
29 Jun 202620:47
attackerkb
Circl
CVE-2026-55957
29 Jun 202621:36
circl
CVE
CVE-2026-55957
29 Jun 202620:47
cve
EUVD
EUVD-2026-40233
29 Jun 202620:47
euvd
NVD
CVE-2026-55957
29 Jun 202621:16
nvd
Positive Technologies
PT-2026-53746
29 Jun 202600:00
ptsecurity
RedHat Linux
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
24 Jun 202617:15
redhat
RedHat Linux
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
29 Jun 202609:02
redhat
[
  {
    "defaultStatus": "unaffected",
    "product": "Apache Tomcat",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "11.0.4",
        "status": "affected",
        "version": "11.0.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.1.36",
        "status": "affected",
        "version": "10.1.0-M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.0.100",
        "status": "affected",
        "version": "9.0.0.M1",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.5.100",
        "status": "affected",
        "version": "8.5.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "7.0.109",
        "status": "affected",
        "version": "7.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "7.0.0",
        "status": "unknown",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

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