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Vulnerability Details CVE-2026-24734

Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed. This issue affects Apache Tomcat Native:  from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114. The following versions were EOL at the time the CVE was created but are known to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected. Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue. Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.8%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-24734
  • Apache » Tomcat » Version: 10.1.0
    cpe:2.3:a:apache:tomcat:10.1.0
  • Apache » Tomcat » Version: 10.1.1
    cpe:2.3:a:apache:tomcat:10.1.1
  • Apache » Tomcat » Version: 10.1.10
    cpe:2.3:a:apache:tomcat:10.1.10
  • Apache » Tomcat » Version: 10.1.11
    cpe:2.3:a:apache:tomcat:10.1.11
  • Apache » Tomcat » Version: 10.1.12
    cpe:2.3:a:apache:tomcat:10.1.12
  • Apache » Tomcat » Version: 10.1.13
    cpe:2.3:a:apache:tomcat:10.1.13
  • Apache » Tomcat » Version: 10.1.14
    cpe:2.3:a:apache:tomcat:10.1.14
  • Apache » Tomcat » Version: 10.1.15
    cpe:2.3:a:apache:tomcat:10.1.15
  • Apache » Tomcat » Version: 10.1.16
    cpe:2.3:a:apache:tomcat:10.1.16
  • Apache » Tomcat » Version: 10.1.17
    cpe:2.3:a:apache:tomcat:10.1.17
  • Apache » Tomcat » Version: 10.1.18
    cpe:2.3:a:apache:tomcat:10.1.18
  • Apache » Tomcat » Version: 10.1.19
    cpe:2.3:a:apache:tomcat:10.1.19
  • Apache » Tomcat » Version: 10.1.2
    cpe:2.3:a:apache:tomcat:10.1.2
  • Apache » Tomcat » Version: 10.1.20
    cpe:2.3:a:apache:tomcat:10.1.20
  • Apache » Tomcat » Version: 10.1.22
    cpe:2.3:a:apache:tomcat:10.1.22
  • Apache » Tomcat » Version: 10.1.23
    cpe:2.3:a:apache:tomcat:10.1.23
  • Apache » Tomcat » Version: 10.1.24
    cpe:2.3:a:apache:tomcat:10.1.24
  • Apache » Tomcat » Version: 10.1.25
    cpe:2.3:a:apache:tomcat:10.1.25
  • Apache » Tomcat » Version: 10.1.26
    cpe:2.3:a:apache:tomcat:10.1.26
  • Apache » Tomcat » Version: 10.1.27
    cpe:2.3:a:apache:tomcat:10.1.27
  • Apache » Tomcat » Version: 10.1.28
    cpe:2.3:a:apache:tomcat:10.1.28
  • Apache » Tomcat » Version: 10.1.29
    cpe:2.3:a:apache:tomcat:10.1.29
  • Apache » Tomcat » Version: 10.1.30
    cpe:2.3:a:apache:tomcat:10.1.30
  • Apache » Tomcat » Version: 10.1.31
    cpe:2.3:a:apache:tomcat:10.1.31
  • Apache » Tomcat » Version: 10.1.32
    cpe:2.3:a:apache:tomcat:10.1.32
  • Apache » Tomcat » Version: 10.1.33
    cpe:2.3:a:apache:tomcat:10.1.33
  • Apache » Tomcat » Version: 10.1.34
    cpe:2.3:a:apache:tomcat:10.1.34
  • Apache » Tomcat » Version: 10.1.35
    cpe:2.3:a:apache:tomcat:10.1.35
  • Apache » Tomcat » Version: 10.1.36
    cpe:2.3:a:apache:tomcat:10.1.36
  • Apache » Tomcat » Version: 10.1.37
    cpe:2.3:a:apache:tomcat:10.1.37
  • Apache » Tomcat » Version: 10.1.38
    cpe:2.3:a:apache:tomcat:10.1.38
  • Apache » Tomcat » Version: 10.1.39
    cpe:2.3:a:apache:tomcat:10.1.39
  • Apache » Tomcat » Version: 10.1.40
    cpe:2.3:a:apache:tomcat:10.1.40
  • Apache » Tomcat » Version: 10.1.41
    cpe:2.3:a:apache:tomcat:10.1.41
  • Apache » Tomcat » Version: 10.1.42
    cpe:2.3:a:apache:tomcat:10.1.42
  • Apache » Tomcat » Version: 10.1.43
    cpe:2.3:a:apache:tomcat:10.1.43
  • Apache » Tomcat » Version: 10.1.44
    cpe:2.3:a:apache:tomcat:10.1.44
  • Apache » Tomcat » Version: 10.1.45
    cpe:2.3:a:apache:tomcat:10.1.45
  • Apache » Tomcat » Version: 10.1.46
    cpe:2.3:a:apache:tomcat:10.1.46
  • Apache » Tomcat » Version: 10.1.47
    cpe:2.3:a:apache:tomcat:10.1.47
  • Apache » Tomcat » Version: 10.1.48
    cpe:2.3:a:apache:tomcat:10.1.48
  • Apache » Tomcat » Version: 10.1.5
    cpe:2.3:a:apache:tomcat:10.1.5
  • Apache » Tomcat » Version: 10.1.6
    cpe:2.3:a:apache:tomcat:10.1.6
  • Apache » Tomcat » Version: 10.1.7
    cpe:2.3:a:apache:tomcat:10.1.7
  • Apache » Tomcat » Version: 10.1.8
    cpe:2.3:a:apache:tomcat:10.1.8
  • Apache » Tomcat » Version: 10.1.9
    cpe:2.3:a:apache:tomcat:10.1.9
  • Apache » Tomcat » Version: 11.0.0
    cpe:2.3:a:apache:tomcat:11.0.0
  • Apache » Tomcat » Version: 11.0.1
    cpe:2.3:a:apache:tomcat:11.0.1
  • Apache » Tomcat » Version: 11.0.10
    cpe:2.3:a:apache:tomcat:11.0.10
  • Apache » Tomcat » Version: 11.0.11
    cpe:2.3:a:apache:tomcat:11.0.11
  • Apache » Tomcat » Version: 11.0.12
    cpe:2.3:a:apache:tomcat:11.0.12
  • Apache » Tomcat » Version: 11.0.13
    cpe:2.3:a:apache:tomcat:11.0.13
  • Apache » Tomcat » Version: 11.0.2
    cpe:2.3:a:apache:tomcat:11.0.2
  • Apache » Tomcat » Version: 11.0.3
    cpe:2.3:a:apache:tomcat:11.0.3
  • Apache » Tomcat » Version: 11.0.4
    cpe:2.3:a:apache:tomcat:11.0.4
  • Apache » Tomcat » Version: 11.0.5
    cpe:2.3:a:apache:tomcat:11.0.5
  • Apache » Tomcat » Version: 11.0.6
    cpe:2.3:a:apache:tomcat:11.0.6
  • Apache » Tomcat » Version: 11.0.7
    cpe:2.3:a:apache:tomcat:11.0.7
  • Apache » Tomcat » Version: 11.0.8
    cpe:2.3:a:apache:tomcat:11.0.8
  • Apache » Tomcat » Version: 11.0.9
    cpe:2.3:a:apache:tomcat:11.0.9
  • Apache » Tomcat » Version: 9.0.100
    cpe:2.3:a:apache:tomcat:9.0.100
  • Apache » Tomcat » Version: 9.0.101
    cpe:2.3:a:apache:tomcat:9.0.101
  • Apache » Tomcat » Version: 9.0.102
    cpe:2.3:a:apache:tomcat:9.0.102
  • Apache » Tomcat » Version: 9.0.103
    cpe:2.3:a:apache:tomcat:9.0.103
  • Apache » Tomcat » Version: 9.0.104
    cpe:2.3:a:apache:tomcat:9.0.104
  • Apache » Tomcat » Version: 9.0.105
    cpe:2.3:a:apache:tomcat:9.0.105
  • Apache » Tomcat » Version: 9.0.106
    cpe:2.3:a:apache:tomcat:9.0.106
  • Apache » Tomcat » Version: 9.0.107
    cpe:2.3:a:apache:tomcat:9.0.107
  • Apache » Tomcat » Version: 9.0.108
    cpe:2.3:a:apache:tomcat:9.0.108
  • Apache » Tomcat » Version: 9.0.109
    cpe:2.3:a:apache:tomcat:9.0.109
  • Apache » Tomcat » Version: 9.0.110
    cpe:2.3:a:apache:tomcat:9.0.110
  • Apache » Tomcat » Version: 9.0.111
    cpe:2.3:a:apache:tomcat:9.0.111
  • Apache » Tomcat » Version: 9.0.112
    cpe:2.3:a:apache:tomcat:9.0.112
  • Apache » Tomcat » Version: 9.0.113
    cpe:2.3:a:apache:tomcat:9.0.113
  • Apache » Tomcat » Version: 9.0.114
    cpe:2.3:a:apache:tomcat:9.0.114
  • Apache » Tomcat » Version: 9.0.83
    cpe:2.3:a:apache:tomcat:9.0.83
  • Apache » Tomcat » Version: 9.0.84
    cpe:2.3:a:apache:tomcat:9.0.84
  • Apache » Tomcat » Version: 9.0.85
    cpe:2.3:a:apache:tomcat:9.0.85
  • Apache » Tomcat » Version: 9.0.86
    cpe:2.3:a:apache:tomcat:9.0.86
  • Apache » Tomcat » Version: 9.0.87
    cpe:2.3:a:apache:tomcat:9.0.87
  • Apache » Tomcat » Version: 9.0.88
    cpe:2.3:a:apache:tomcat:9.0.88
  • Apache » Tomcat » Version: 9.0.89
    cpe:2.3:a:apache:tomcat:9.0.89
  • Apache » Tomcat » Version: 9.0.90
    cpe:2.3:a:apache:tomcat:9.0.90
  • Apache » Tomcat » Version: 9.0.91
    cpe:2.3:a:apache:tomcat:9.0.91
  • Apache » Tomcat » Version: 9.0.92
    cpe:2.3:a:apache:tomcat:9.0.92
  • Apache » Tomcat » Version: 9.0.93
    cpe:2.3:a:apache:tomcat:9.0.93
  • Apache » Tomcat » Version: 9.0.94
    cpe:2.3:a:apache:tomcat:9.0.94
  • Apache » Tomcat » Version: 9.0.95
    cpe:2.3:a:apache:tomcat:9.0.95
  • Apache » Tomcat » Version: 9.0.96
    cpe:2.3:a:apache:tomcat:9.0.96
  • Apache » Tomcat » Version: 9.0.97
    cpe:2.3:a:apache:tomcat:9.0.97
  • Apache » Tomcat » Version: 9.0.98
    cpe:2.3:a:apache:tomcat:9.0.98
  • Apache » Tomcat » Version: 9.0.99
    cpe:2.3:a:apache:tomcat:9.0.99
  • Apache » Tomcat Native » Version: Any
    cpe:2.3:a:apache:tomcat_native:*


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