CVE-2026-59084
Apache Tomcat: EncryptInterceptor requirements not clearly documented
Description
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.
INFO
Published Date :
July 14, 2026, 9:16 a.m.
Last Modified :
July 14, 2026, 4:57 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache Tomcat to a fixed version.
- Review and apply secure configuration settings.
- Consult updated technical documentation.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-59084.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/7w9746ootcxo0gvx26xjpw80l31f1qw7 | Mitigation Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/07/14/8 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-59084 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-59084
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-59084 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-59084 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 7.0.100 up to (including) 7.0.109 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.38 up to (including) 8.5.100 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.1.0 up to (including) 10.1.56 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (including) 11.0.23 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.13 up to (including) 9.0.119 Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/7w9746ootcxo0gvx26xjpw80l31f1qw7 Types: Mitigation, Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/07/14/8 Types: Mailing List, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Added SSVC {'id': 'CVE-2026-59084', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T13:51:48.818351Z'} -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jul. 14, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/07/14/8 -
New CVE Received by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache Tomcat', 'versions': [{'status': 'affected', 'version': '11.0.0-M1', 'versionType': 'semver', 'lessThanOrEqual': '11.0.23'}, {'status': 'affected', 'version': '10.1.0-M1', 'versionType': 'semver', 'lessThanOrEqual': '10.1.56'}, {'status': 'affected', 'version': '9.0.13', 'versionType': 'semver', 'lessThanOrEqual': '9.0.119'}, {'status': 'affected', 'version': '8.5.38', 'versionType': 'semver', 'lessThanOrEqual': '8.5.100'}, {'status': 'affected', 'version': '7.0.100', 'versionType': 'semver', 'lessThanOrEqual': '7.0.109'}], 'defaultStatus': 'unaffected'}] Added Description 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. Added CWE CWE-1059 Added Reference https://lists.apache.org/thread/7w9746ootcxo0gvx26xjpw80l31f1qw7