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CVE-2026-74048: Apache Tomcat: OpenSSL-FFM FIPS failure does not prevent start-up

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-29
• Weakness: CWE-636

Description

Not Failing Securely ('Failing Open') vulnerability in Apache Tomcat. If the OpenSSLLifecycleListener is configured to use FIPS mode but FIPS activation fails, Tomcat logs and error but continues to use JSSE in non-FIPS mode with the provided configuration. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.26, from 10.1.22 through 10.1.60, from 9.0.92 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

Affected products

• Apache Tomcat: from 11.0.0-M14 through 11.0.26; from 10.1.22 through 10.1.60; from 9.0.92 through 9.0.122

References

• https://lists.apache.org/thread.html/v5ry0sx1c7x1wr5mx4cddj3p3mv1ho6m
• http://www.openwall.com/lists/oss-security/2026/10/20/21

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