CVE-2026-66422

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Source
https://cve.org/CVERecord?id=CVE-2026-66422
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66422.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-66422
Aliases
Downstream
Published
2026-08-25T21:55:16.928Z
Modified
2026-08-28T16:55:36.123740835Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
Summary
Apache Tomcat: Servlet role references can bypass declarative role constraints
Details

Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole().

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.25 through 9.0.120.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.46 through 8.5.100, from 7.0.97 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66422.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "11.0.0-M1"
                },
                {
                    "last_affected": "11.0.24"
                },
                {
                    "introduced": "10.1.0-M1"
                },
                {
                    "last_affected": "10.1.57"
                },
                {
                    "introduced": "9.0.25"
                },
                {
                    "last_affected": "9.0.120"
                },
                {
                    "introduced": "8.5.46"
                },
                {
                    "last_affected": "8.5.100"
                },
                {
                    "introduced": "7.0.97"
                },
                {
                    "last_affected": "7.0.109"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "11.0.0-M1"
                },
                {
                    "fixed": "11.0.24"
                },
                {
                    "introduced": "10.1.0-M1"
                },
                {
                    "fixed": "10.1.57"
                },
                {
                    "introduced": "9.0.25"
                },
                {
                    "fixed": "9.0.120"
                },
                {
                    "introduced": "8.5.46"
                },
                {
                    "fixed": "8.5.100"
                },
                {
                    "introduced": "7.0.97"
                },
                {
                    "fixed": "7.0.109"
                }
            ]
        }
    ],
    "cwe_ids": [
        "CWE-285"
    ],
    "cna_assigner": "apache"
}
References

Affected packages

Git / github.com/apache/tomcat

Affected ranges

Type
GIT
Repo
https://github.com/apache/tomcat
Events
Introduced
1cfec207b09fed52965f0d0426059ca989daf3b4
Last affected
2cdef2c0241cdf70b5edd88d3733a52e6b675047
Database specific
Show details 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "7.0.97"
        },
        {
            "last_affected": "7.0.109"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66422.json"