Critical9.1Apache Software Foundation

Critical [CVE-2026-59084] Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the…

This critical-severity Apache Software Foundation advisory covers CVE-2026-59084 affecting Apache Tomcat.

CVE-2026-59084 Published Jul 14, 2026Updated by vendor Jul 14, 2026

CVE-2026-59084

Affected products & platforms

Apache Software FoundationTomcat

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Summary

Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.

Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.

Affected versions

11.0.0-M1 through 11.0.23
10.1.0-M1 through 10.1.56
9.0.13 through 9.0.119
8.5.38 through 8.5.100
7.0.100 through 7.0.109.
through 7.0.109

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

11.0.24
10.1.57
9.0.120

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed for the summary, affected/fixed versions and remediation guidance it provides.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-59084 instead of the raw feed document.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-59084NVD CVE.org MITRE

Official resources

Apache Tomcat security bulletins (per major version) (target: 11.0.23 / 10.1.56 / 9.0.119)
Official documentation
This advisory names 11.0.23 / 10.1.56 / 9.0.119 as the first fixed releases — official upgrade documentation for Apache Tomcat security bulletins (per major version).
ASF Security — reporting & CVE process
Official documentation
The Apache Software Foundation's official security page: how ASF CVEs are published and where each project's advisories live.
Apache project downloads (fixed releases)
Official documentation
Official ASF download tree — fetch the fixed release named in this advisory from the project's directory.

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