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CVE-2026-59084— Apache Tomcat: EncryptInterceptor requirements not clearly documented

Quick assessment

Affected
Apache Software Foundation Apache Tomcat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Tomcat是美国Apache基金会开源的一个Web应用服务器。 Apache Tomcat存在服务供应链问题漏洞，该漏洞可能导致未经身份验证的攻击者通过网络访问获取对数据机密性和完整性的高影响。以下版本受到影响：11.0.0-M1至11.0.23版本、10.1.0-M1至10.1.56版本、9.0.13至9.0.119版本、8.5.38至8.5.100版本和7.0.100至7.0.109版本。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 5

VendorProduct Version RangeStatus
Apache Software Foundation Apache Tomcat 11.0.0-M1≤ 11.0.23 affected
10.1.0-M1≤ 10.1.56 affected
9.0.13≤ 9.0.119 affected
8.5.38≤ 8.5.100 affected
7.0.100≤ 7.0.109 affected
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I. Basic Information for CVE-2026-59084

Vulnerability Information
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Vulnerability Title
Apache Tomcat: EncryptInterceptor requirements not clearly documented
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的文件
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Tomcat 服务供应链问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Tomcat是美国Apache基金会开源的一个Web应用服务器。 Apache Tomcat存在服务供应链问题漏洞，该漏洞可能导致未经身份验证的攻击者通过网络访问获取对数据机密性和完整性的高影响。以下版本受到影响：11.0.0-M1至11.0.23版本、10.1.0-M1至10.1.56版本、9.0.13至9.0.119版本、8.5.38至8.5.100版本和7.0.100至7.0.109版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Tomcat 11.0.0-M1 ~ 11.0.23 -

II. Public POCs for CVE-2026-59084

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III. Intelligence Information for CVE-2026-59084

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Mailing List Discussions for CVE-2026-59084 (1)

Same Patch Batch · Apache Software Foundation · 2026-07-14 · 7 CVEs total

CVE-2026-49488 Apache OpenMeetings: Arbitrary File Read
CVE-2026-62393 Apache Kylin: Improper authorization in job information retrieval
CVE-2026-62392 Apache Kylin: OS Command Injection via Async Query API
CVE-2026-62390 Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API
CVE-2026-58319 Apache Doris: Improper Authentication in Frontend HTTP API
CVE-2026-59083 Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass

IV. Related Vulnerabilities

Same product: Apache Tomcat
Same vendor: Apache Software Foundation
Same weakness: CWE-1059

V. Comments for CVE-2026-59084

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