CVE-2026-74048
Not Failing Securely ('Failing Open') vulnerability in Apache Tomcat
- Risk score
- 42/100
- CVSS
- 6.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 20 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.…
- Affected
- See advisory
- Fix
- Upgrade the product to 11.0.27, 10.1.61 or 9.0.123 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.5 medium
References
Original 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.
Last activity 20 Oct 2026. Patch Forecast updates every hour.