CVE-2026-24734
Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass
At a glance Severity HIGH 7.4 EPSS EPSS 0.57 % · percentile 47 (2026-10-27) State PUBLISHED Published 2026-02-17 Updated 2026-07-15 Assigner apache NVD status Modified Description 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.
Scores Version Score Vector Scored by CVSS 3.1 HIGH 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CISA-ADP CVSS 3.1 HIGH 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N redhat-SADP CVSS 3.1 HIGH 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N NVD · nvd@nist.gov (Primary) CVSS 3.1 HIGH 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) CVSS 3.1 HIGH 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)
Weaknesses (CWE)
Advisories
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 9.0.83 < 9.0.115cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 10.1.1 < 10.1.52cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 11.0.1 < 11.0.18cpe:2.3:a:apache:tomcat:10.1.0:milestone1:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone10:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone11:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone12:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone13:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone14:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone15:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone16:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone17:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone18:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone19:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone2:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone20:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone3:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone4:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone5:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone6:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone7:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone8:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:10.1.0:milestone9:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone1:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone10:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone11:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone12:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone13:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*+11 more Affected products
References
Sources
