GHSA-rv64-5gf8-9qq8

Suggest an improvement
Source
https://github.com/advisories/GHSA-rv64-5gf8-9qq8
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-rv64-5gf8-9qq8
Aliases
Downstream
CGA (40)
Published
2026-04-09T21:31:30Z
Modified
2026-09-11T08:25:42Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Apache Tomcat has an Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve
Details

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

Database specific 
{
    "cwe_ids":  [
        "CWE-116"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-04-10T21:38:21Z",
    "nvd_published_at":  "2026-04-09T20:16:24Z",
    "severity":  "HIGH"
}
References

Affected packages

Maven
org.apache.tomcat:tomcat-catalina

Package

Name
org.apache.tomcat:tomcat-catalina
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat-catalina

Affected ranges

Type
ECOSYSTEM
Events
Introduced
9.0.40
Fixed
9.0.116

Affected versions

9.*
9.0.40
9.0.41
9.0.43
9.0.44
9.0.45
9.0.46
9.0.48
9.0.50
9.0.52
9.0.53
9.0.54
9.0.55
9.0.56
9.0.58
9.0.59
9.0.60
9.0.62
9.0.63
9.0.64
9.0.65
9.0.67
9.0.68
9.0.69
9.0.70
9.0.71
9.0.72
9.0.73
9.0.74
9.0.75
9.0.76
9.0.78
9.0.79
9.0.80
9.0.81
9.0.82
9.0.83
9.0.84
9.0.85
9.0.86
9.0.87
9.0.88
9.0.89
9.0.90
9.0.91
9.0.93
9.0.94
9.0.95
9.0.96
9.0.97
9.0.98
9.0.99
9.0.100
9.0.102
9.0.104
9.0.105
9.0.106
9.0.107
9.0.108
9.0.109
9.0.110
9.0.111
9.0.112
9.0.113
9.0.115

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat:tomcat-catalina

Package

Name
org.apache.tomcat:tomcat-catalina
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat-catalina

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10.1.0-M1
Fixed
10.1.54

Affected versions

10.*
10.1.0-M1
10.1.0-M2
10.1.0-M4
10.1.0-M5
10.1.0-M6
10.1.0-M7
10.1.0-M8
10.1.0-M10
10.1.0-M11
10.1.0-M12
10.1.0-M14
10.1.0-M15
10.1.0-M16
10.1.0-M17
10.1.0
10.1.1
10.1.2
10.1.4
10.1.5
10.1.6
10.1.7
10.1.8
10.1.9
10.1.10
10.1.11
10.1.12
10.1.13
10.1.14
10.1.15
10.1.16
10.1.17
10.1.18
10.1.19
10.1.20
10.1.23
10.1.24
10.1.25
10.1.26
10.1.28
10.1.29
10.1.30
10.1.31
10.1.33
10.1.34
10.1.35
10.1.36
10.1.39
10.1.40
10.1.41
10.1.42
10.1.43
10.1.44
10.1.45
10.1.46
10.1.47
10.1.48
10.1.49
10.1.50
10.1.52
10.1.53

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat:tomcat-catalina

Package

Name
org.apache.tomcat:tomcat-catalina
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat-catalina

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11.0.0-M1
Fixed
11.0.21

Affected versions

11.*
11.0.0-M1
11.0.0-M3
11.0.0-M4
11.0.0-M5
11.0.0-M6
11.0.0-M7
11.0.0-M9
11.0.0-M10
11.0.0-M11
11.0.0-M12
11.0.0-M13
11.0.0-M14
11.0.0-M15
11.0.0-M16
11.0.0-M17
11.0.0-M18
11.0.0-M19
11.0.0-M20
11.0.0-M21
11.0.0-M22
11.0.0-M24
11.0.0-M25
11.0.0-M26
11.0.0
11.0.1
11.0.2
11.0.3
11.0.4
11.0.5
11.0.6
11.0.7
11.0.8
11.0.9
11.0.10
11.0.11
11.0.12
11.0.13
11.0.14
11.0.15
11.0.18
11.0.20

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat:tomcat

Package

Name
org.apache.tomcat:tomcat
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat

Affected ranges

Type
ECOSYSTEM
Events
Introduced
9.0.40
Fixed
9.0.116

Affected versions

9.*
9.0.40
9.0.41
9.0.43
9.0.44
9.0.45
9.0.46
9.0.48
9.0.50
9.0.52
9.0.53
9.0.54
9.0.55
9.0.56
9.0.58
9.0.59
9.0.60
9.0.62
9.0.63
9.0.64
9.0.65
9.0.67
9.0.68
9.0.69
9.0.70
9.0.71
9.0.72
9.0.73
9.0.74
9.0.75
9.0.76
9.0.78
9.0.79
9.0.80
9.0.81
9.0.82
9.0.83
9.0.84
9.0.85
9.0.86
9.0.87
9.0.88
9.0.89
9.0.90
9.0.91
9.0.93
9.0.94
9.0.95
9.0.96
9.0.97
9.0.98
9.0.99
9.0.100
9.0.102
9.0.104
9.0.105
9.0.106
9.0.107
9.0.108
9.0.109
9.0.110
9.0.111
9.0.112
9.0.113
9.0.115

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat:tomcat

Package

Name
org.apache.tomcat:tomcat
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10.1.0-M1
Fixed
10.1.54

Affected versions

10.*
10.1.0-M1
10.1.0-M2
10.1.0-M4
10.1.0-M5
10.1.0-M6
10.1.0-M7
10.1.0-M8
10.1.0-M10
10.1.0-M11
10.1.0-M12
10.1.0-M14
10.1.0-M15
10.1.0-M16
10.1.0-M17
10.1.0
10.1.1
10.1.2
10.1.4
10.1.5
10.1.6
10.1.7
10.1.8
10.1.9
10.1.10
10.1.11
10.1.12
10.1.13
10.1.14
10.1.15
10.1.16
10.1.17
10.1.18
10.1.19
10.1.20
10.1.23
10.1.24
10.1.25
10.1.26
10.1.28
10.1.29
10.1.30
10.1.31
10.1.33
10.1.34
10.1.35
10.1.36
10.1.39
10.1.40
10.1.41
10.1.42
10.1.43
10.1.44
10.1.45
10.1.46
10.1.47
10.1.48
10.1.49
10.1.50
10.1.52
10.1.53

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat:tomcat

Package

Name
org.apache.tomcat:tomcat
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat/tomcat

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11.0.0-M1
Fixed
11.0.21

Affected versions

11.*
11.0.0-M1
11.0.0-M3
11.0.0-M4
11.0.0-M5
11.0.0-M6
11.0.0-M7
11.0.0-M9
11.0.0-M10
11.0.0-M11
11.0.0-M12
11.0.0-M13
11.0.0-M14
11.0.0-M15
11.0.0-M16
11.0.0-M17
11.0.0-M18
11.0.0-M19
11.0.0-M20
11.0.0-M21
11.0.0-M22
11.0.0-M24
11.0.0-M25
11.0.0-M26
11.0.0
11.0.1
11.0.2
11.0.3
11.0.4
11.0.5
11.0.6
11.0.7
11.0.8
11.0.9
11.0.10
11.0.11
11.0.12
11.0.13
11.0.14
11.0.15
11.0.18
11.0.20

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat.embed:tomcat-embed-core

Package

Name
org.apache.tomcat.embed:tomcat-embed-core
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat.embed/tomcat-embed-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
9.0.40
Fixed
9.0.116

Affected versions

9.*
9.0.40
9.0.41
9.0.43
9.0.44
9.0.45
9.0.46
9.0.48
9.0.50
9.0.52
9.0.53
9.0.54
9.0.55
9.0.56
9.0.58
9.0.59
9.0.60
9.0.62
9.0.63
9.0.64
9.0.65
9.0.67
9.0.68
9.0.69
9.0.70
9.0.71
9.0.72
9.0.73
9.0.74
9.0.75
9.0.76
9.0.78
9.0.79
9.0.80
9.0.81
9.0.82
9.0.83
9.0.84
9.0.85
9.0.86
9.0.87
9.0.88
9.0.89
9.0.90
9.0.91
9.0.93
9.0.94
9.0.95
9.0.96
9.0.97
9.0.98
9.0.99
9.0.100
9.0.102
9.0.104
9.0.105
9.0.106
9.0.107
9.0.108
9.0.109
9.0.110
9.0.111
9.0.112
9.0.113
9.0.115

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat.embed:tomcat-embed-core

Package

Name
org.apache.tomcat.embed:tomcat-embed-core
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat.embed/tomcat-embed-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10.1.0-M1
Fixed
10.1.54

Affected versions

10.*
10.1.0-M1
10.1.0-M2
10.1.0-M4
10.1.0-M5
10.1.0-M6
10.1.0-M7
10.1.0-M8
10.1.0-M10
10.1.0-M11
10.1.0-M12
10.1.0-M14
10.1.0-M15
10.1.0-M16
10.1.0-M17
10.1.0
10.1.1
10.1.2
10.1.4
10.1.5
10.1.6
10.1.7
10.1.8
10.1.9
10.1.10
10.1.11
10.1.12
10.1.13
10.1.14
10.1.15
10.1.16
10.1.17
10.1.18
10.1.19
10.1.20
10.1.23
10.1.24
10.1.25
10.1.26
10.1.28
10.1.29
10.1.30
10.1.31
10.1.33
10.1.34
10.1.35
10.1.36
10.1.39
10.1.40
10.1.41
10.1.42
10.1.43
10.1.44
10.1.45
10.1.46
10.1.47
10.1.48
10.1.49
10.1.50
10.1.52
10.1.53

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"
org.apache.tomcat.embed:tomcat-embed-core

Package

Name
org.apache.tomcat.embed:tomcat-embed-core
View open source insights on deps.dev
Purl
pkg:maven/org.apache.tomcat.embed/tomcat-embed-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11.0.0-M1
Fixed
11.0.21

Affected versions

11.*
11.0.0-M1
11.0.0-M3
11.0.0-M4
11.0.0-M5
11.0.0-M6
11.0.0-M7
11.0.0-M9
11.0.0-M10
11.0.0-M11
11.0.0-M12
11.0.0-M13
11.0.0-M14
11.0.0-M15
11.0.0-M16
11.0.0-M17
11.0.0-M18
11.0.0-M19
11.0.0-M20
11.0.0-M21
11.0.0-M22
11.0.0-M24
11.0.0-M25
11.0.0-M26
11.0.0
11.0.1
11.0.2
11.0.3
11.0.4
11.0.5
11.0.6
11.0.7
11.0.8
11.0.9
11.0.10
11.0.11
11.0.12
11.0.13
11.0.14
11.0.15
11.0.18
11.0.20

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rv64-5gf8-9qq8/GHSA-rv64-5gf8-9qq8.json"