DEBIAN-CVE-2026-75973

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Source
https://security-tracker.debian.org/tracker/CVE-2026-75973
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-75973
Upstream
  • CVE-2026-75973
Published
2026-09-23T12:17:06Z
Modified
2026-09-27T04:00:16Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

Improper Authentication vulnerability in Apache Tomcat. When Jakarta Authentication was configured with SimpleAuthConfigProvider as the default provider and multiple web application used that provider, the realm for the first web application to authenticate a request would be used for all web applications. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M4 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60, 9.0.122, which fixes the issue.

References

Affected packages

Debian:12
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=bookworm

Affected ranges

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

Affected versions

10.*
10.1.6-1
10.1.6-1+deb12u1
10.1.6-1+deb12u2
10.1.7-1
10.1.8-1
10.1.9-1
10.1.10-1
10.1.13-1
10.1.14-1
10.1.15-1
10.1.16-1
10.1.20-1
10.1.23-1
10.1.25-1~bpo12+1
10.1.25-1
10.1.25-2
10.1.30-1~bpo12+1
10.1.30-1
10.1.31-1
10.1.33-1~bpo12+1
10.1.33-1
10.1.34-0+deb12u1
10.1.34-0+deb12u2
10.1.34-1
10.1.35-1
10.1.40-1~bpo12+1
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1
10.1.60-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/debian/tomcat9?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.70-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
Debian:13
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=trixie

Affected ranges

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

Affected versions

10.*
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1
10.1.60-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/debian/tomcat11?arch=source&distro=trixie

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~deb13u1
11.0.15-1
11.0.18-1
11.0.21-1
11.0.22-1~deb13u1
11.0.22-1
11.0.22-2
11.0.24-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/debian/tomcat9?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.70-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
Debian:14
tomcat10

Package

Name
tomcat10
Purl
pkg:deb/debian/tomcat10?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
10.1.60-1

Affected versions

10.*
10.1.40-1
10.1.46-1
10.1.52-1~deb12u1
10.1.52-1~deb13u1
10.1.52-1
10.1.52-2
10.1.54-1
10.1.55-1~deb12u1
10.1.55-1~deb13u1
10.1.55-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
tomcat11

Package

Name
tomcat11
Purl
pkg:deb/debian/tomcat11?arch=source&distro=forky

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~deb13u1
11.0.15-1
11.0.18-1
11.0.21-1
11.0.22-1~deb13u1
11.0.22-1
11.0.22-2
11.0.24-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"
tomcat9

Package

Name
tomcat9
Purl
pkg:deb/debian/tomcat9?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.0.70-2

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-75973.json"