Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor

A flaw was found in Apache Tomcat. This Padding Oracle vulnerability, present in the EncryptInterceptor with its default configuration, could allow a remote attacker to decrypt sensitive information. By exploiting weaknesses in the encryption padding, an attacker may be able to gain unauthorized...

Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor

A flaw was found in Apache Tomcat. This Padding Oracle vulnerability, present in the EncryptInterceptor with its default configuration, could allow a remote attacker to decrypt sensitive information. By exploiting weaknesses in the encryption padding, an attacker may be able to gain unauthorized...

Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass

A flaw was found in Apache Tomcat. This vulnerability, categorized as Missing Encryption of Sensitive Data, arises from a bypass in the EncryptInterceptor, a component designed to ensure data encryption. This bypass, introduced as a fix for CVE-2026-29146, allows sensitive data to remain...

Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension

A flaw was found in Apache Tomcat. A remote attacker could exploit an inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, by sending a specially crafted request with an invalid chunk extension. This vulnerability allows an attacker to manipulate the way HTTP...

Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor

A flaw was found in Apache Tomcat. This Padding Oracle vulnerability, present in the EncryptInterceptor with its default configuration, could allow a remote attacker to decrypt sensitive information. By exploiting weaknesses in the encryption padding, an attacker may be able to gain unauthorized...

Apache Tomcat: Apache Tomcat: Configured cipher preference order not preserved

A flaw was found in Apache Tomcat. This vulnerability occurs when the configured cipher preference order is not preserved. This could allow an attacker to bypass intended security configurations, potentially leading to a weakened security posture or information disclosure...

tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation

A flaw was found in Apache Tomcat. When an Online Certificate Status Protocol OCSP responder is used, the Tomcat Native component, and Tomcat's FFM port of the Tomcat Native code, does not properly verify or check the freshness of the OCSP response. This improper input validation vulnerability...

Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor

A flaw was found in Apache Tomcat. This Padding Oracle vulnerability, present in the EncryptInterceptor with its default configuration, could allow a remote attacker to decrypt sensitive information. By exploiting weaknesses in the encryption padding, an attacker may be able to gain unauthorized...

CVE-2026-55956

A flaw was found in Apache Tomcat where access control rules for the default servlet are improperly handled. An attacker can exploit this issue to bypass specific HTTP method restrictions, potentially gaining unauthorized access to protected application resources. Mitigation Review your...

Exploit for Reliance on Untrusted Inputs in a Security Decision in Apache Tomcat

Lab Description This lab focuses on CVE-2026-34486, a hig...

Fixed in Apache Tomcat 9.0.120

Low: EncryptInterceptor requirements not clearly documented CVE-2026-59084 The requirements to securely configure the EncryptInterceptor were not clearly documented. This was fixed with commit 617d7275. This issue was reported to the Tomcat security team on 29 June 2026. The issue was made public...

BIT-TOMCAT-2026-55956 Apache Tomcat: Security constraints for default servlet ignored method

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0...

BIT-TOMCAT-2026-55955 Apache Tomcat: EncryptInterceptor not protected against replay attacks

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from...

BIT-TOMCAT-2026-55276 Apache Tomcat: Logged effective web.xml is incomplete

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0...

BIT-TOMCAT-2026-53434 Apache Tomcat: Invalid CRL configuration doesn't trigger failure for FFM Connector

Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23,...

BIT-TOMCAT-2026-53404 Apache Tomcat: Bad ornext processing in RewriteValve

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0...

BIT-TOMCAT-2026-50229 Apache Tomcat: XSS in number guess example

Improper Neutralization of Script-Related HTML Tags in a Web Page Basic XSS vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0...

K000162052: Apache Tomcat vulnerability CVE-2026-43514

Security Advisory Description Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through...

Linux Distros Unpatched Vulnerability : CVE-2026-55957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to...

SUSE CVE-2026-55955

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, fro...