CVE-2026-24734

Published Feb 17, 2026

Last updated 3 days ago

Overview

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.
Source
security@apache.org
NVD status
Modified
Products
tomcat, tomcat_native

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity
HIGH

Weaknesses

security@apache.org
CWE-20
nvd@nist.gov
NVD-CWE-noinfo

Social media

Hype score
Not currently trending
  1. SUSE releases critical Tomcat 11.0.18 security update for SLES and openSUSE, fixing CVE-2025-66614, CVE-2026-24733 and CVE-2026-24734 affecting TLS cert checks and HTTP/0.9 handling. #Vulnerability https://t.co/hdUZTV4Yjb

    @threatcluster

    12 Mar 2026

    122 Impressions

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  2. 🚨 #openSUSE Tumbleweed ships Tomcat 9.0.115-1.1, addressing 3 CVEs (CVE-2025-66614, CVE-2026-24733, CVE-2026-24734). Read more: 👉 https://t.co/kFxia0zSz0 #Security https://t.co/aJhl7pQJr3

    @Cezar_H_Linux

    9 Mar 2026

    51 Impressions

    0 Retweets

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  3. Critical #Tomcat 11 update for openSUSE Tumbleweed. Version 11.0.18-1.1 fixes CVE-2025-66614, CVE-2026-24733, and CVE-2026-24734. Read more: 👉 https://t.co/AmIGMxLe4q #openSUSE https://t.co/HxBRM65MmY

    @Cezar_H_Linux

    9 Mar 2026

    53 Impressions

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  4. EasyApache 4 v25.48: • mod_qos → 11.78 • ionCube 15 added (beta for PHP 8.5) • ea-cpanel-tools manifest updated to include ioncube15 • Tomcat 10.1 changelog updated with CVE refs (CVE-2026-24733, CVE-2026-24734, CVE-2025-66614) Full change log: https://t.co/I90mlsRNoX

    @cPanel

    9 Mar 2026

    252 Impressions

    0 Retweets

    2 Likes

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    0 Replies

    1 Quote

  5. 2026. 2.18 JVNVU#91658988 Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) - Japan Vulnerability Notes(JVN) https://t.co/TEY6HywfRh

    @kawn2020

    19 Feb 2026

    53 Impressions

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  6. Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) https://t.co/VE6o6aixMe #security #feedly

    @yutuki_r

    19 Feb 2026

    83 Impressions

    1 Retweet

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  7. [JVNVU#91658988] Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) https://t.co/dDTkaolpHb #jvn #脆弱性 #セキュリティ

    @jpsecuritynews

    19 Feb 2026

    45 Impressions

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  8. Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) https://t.co/ANZ2iHEDCD #%E6%8A%80%E8%A1%93%E7%B3%BB-%E3%82%BB%E3%82%AD%E3%83%A5%E3%83%AA%E3%83%86%E3%82%A3 #feedly

    @likecoffee

    18 Feb 2026

    44 Impressions

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  9. 統合版 JPCERT/CC | JVN: Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) https://t.co/DGj3c1s7zr #itsec_jp

    @itsec_jp

    18 Feb 2026

    77 Impressions

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  10. [2026/02/18 15:45 公表] Apache Tomcatにおける複数の脆弱性(CVE-2025-66614、CVE-2026-24733、CVE-2026-24734) https://t.co/3XyFvD8IqI

    @jvnjp

    18 Feb 2026

    1185 Impressions

    1 Retweet

    3 Likes

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    1 Quote

Configurations

References

Sources include official advisories and independent security research.