UBUNTU-CVE-2026-86248

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Source
https://ubuntu.com/security/CVE-2026-86248
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-86248
Upstream
  • CVE-2026-86248
Published
2026-09-23T12:17:00Z
Modified
2026-11-04T20:04:27Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.25, from 10.1.22 through 10.1.59, from 9.0.92 through 9.0.121. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

References

Affected packages

Ubuntu:24.04:LTS
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/ubuntu/tomcat10?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.10-1
10.1.14-1
10.1.15-1
10.1.16-1
10.1.16-1ubuntu0.1~esm1
10.1.16-1ubuntu0.1~esm2
10.1.16-1ubuntu0.1~esm3
10.1.16-1ubuntu0.1~esm4
10.1.55-1ubuntu2~24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat10-embed-java",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "libtomcat10-java",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10-admin",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10-common",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10-docs",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10-examples",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        },
        {
            "binary_name": "tomcat10-user",
            "binary_version": "10.1.55-1ubuntu2~24.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.70-1ubuntu1
9.0.70-2
9.0.70-2ubuntu0.1
9.0.70-2ubuntu0.1+esm1
9.0.70-2ubuntu0.1+esm2
9.0.70-2ubuntu0.1+esm3
9.0.118-1~24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.118-1~24.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
Ubuntu:26.04:LTS
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/ubuntu/tomcat10?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.40-1ubuntu1
10.1.40-1ubuntu1.26.04.1
10.1.55-1ubuntu2~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat10-embed-java",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "libtomcat10-java",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-admin",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-common",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-docs",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-examples",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat10-user",
            "binary_version": "10.1.55-1ubuntu2~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.95-1ubuntu1
9.0.111-1
9.0.115-1
9.0.115-1ubuntu0.1
9.0.118-1~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.118-1~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/ubuntu/tomcat11?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

11.*
11.0.6-1
11.0.11-1
11.0.15-1
11.0.18-1
11.0.18-1ubuntu0.1~esm1
11.0.22-2ubuntu2~26.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat11-embed-java",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "libtomcat11-java",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-admin",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-common",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-docs",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-examples",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        },
        {
            "binary_name": "tomcat11-user",
            "binary_version": "11.0.22-2ubuntu2~26.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
Ubuntu:26.10
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/ubuntu/tomcat10?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

10.*
10.1.40-1ubuntu1
10.1.54-1
10.1.54-1ubuntu1
10.1.54-1ubuntu2
10.1.55-1ubuntu1
10.1.55-1ubuntu2
10.1.57~us1-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat10-embed-java",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "libtomcat10-java",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10-admin",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10-common",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10-docs",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10-examples",
            "binary_version": "10.1.57~us1-0ubuntu1"
        },
        {
            "binary_name": "tomcat10-user",
            "binary_version": "10.1.57~us1-0ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/ubuntu/tomcat11?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

11.*
11.0.18-1
11.0.22-2
11.0.22-2ubuntu1
11.0.22-2ubuntu2
11.0.24-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat11-embed-java",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "libtomcat11-java",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11-admin",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11-common",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11-docs",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11-examples",
            "binary_version": "11.0.24-1ubuntu1"
        },
        {
            "binary_name": "tomcat11-user",
            "binary_version": "11.0.24-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.115-1
9.0.115-1ubuntu1
9.0.118-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.118-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
Ubuntu:Pro:18.04:LTS
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.16-3~18.04.1
9.0.16-3ubuntu0.18.04.1
9.0.16-3ubuntu0.18.04.2
9.0.16-3ubuntu0.18.04.2+esm1
9.0.16-3ubuntu0.18.04.2+esm2
9.0.16-3ubuntu0.18.04.2+esm3
9.0.16-3ubuntu0.18.04.2+esm4
9.0.16-3ubuntu0.18.04.2+esm5
9.0.16-3ubuntu0.18.04.2+esm6
9.0.16-3ubuntu0.18.04.2+esm7
9.0.16-3ubuntu0.18.04.2+esm8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-embed-java",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9-admin",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9-common",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9-docs",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9-examples",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        },
        {
            "binary_name": "tomcat9-user",
            "binary_version": "9.0.16-3ubuntu0.18.04.2+esm8"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
Ubuntu:Pro:20.04:LTS
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.24-1
9.0.27-1
9.0.31-1
9.0.31-1ubuntu0.1
9.0.31-1ubuntu0.2
9.0.31-1ubuntu0.3
9.0.31-1ubuntu0.4
9.0.31-1ubuntu0.5
9.0.31-1ubuntu0.6
9.0.31-1ubuntu0.7
9.0.31-1ubuntu0.8
9.0.31-1ubuntu0.9
9.0.31-1ubuntu0.9+esm1
9.0.31-1ubuntu0.9+esm2
9.0.31-1ubuntu0.9+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-embed-java",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9-admin",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9-common",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9-docs",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9-examples",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        },
        {
            "binary_name": "tomcat9-user",
            "binary_version": "9.0.31-1ubuntu0.9+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"
Ubuntu:Pro:22.04:LTS
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

9.*
9.0.43-3
9.0.54-1
9.0.55-1
9.0.58-1
9.0.58-1ubuntu0.1
9.0.58-1ubuntu0.1+esm1
9.0.58-1ubuntu0.1+esm2
9.0.58-1ubuntu0.1+esm3
9.0.58-1ubuntu0.1+esm4
9.0.58-1ubuntu0.2
9.0.58-1ubuntu0.2+esm1
9.0.58-1ubuntu0.2+esm2
9.0.58-1ubuntu0.2+esm3
9.0.58-1ubuntu0.2+esm4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libtomcat9-embed-java",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "libtomcat9-java",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9-admin",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9-common",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9-docs",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9-examples",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        },
        {
            "binary_name": "tomcat9-user",
            "binary_version": "9.0.58-1ubuntu0.2+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-86248.json"