Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 2 products from apache, from apache organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-02-17T19:21:56.953

Last Modified

2026-03-11T16:16:29.990

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache tomcat < 9.0.115 Yes
Application apache tomcat < 10.1.52 Yes
Application apache tomcat < 11.0.18 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 10.1.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat 11.0.0 Yes
Application apache tomcat_native < 1.3.5 Yes
Application apache tomcat_native < 2.0.12 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.