CVE-2026-29146: Padding Oracle in Apache Software Foundation Apache Tomcat
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.
AI Analysis
Technical Summary
CVE-2026-29146 is a Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor component under default configuration. It affects a wide range of Apache Tomcat versions from 7.0.100 up to 11.0.18. The vulnerability allows attackers to potentially exploit cryptographic padding errors to gain unauthorized information. The Apache Software Foundation recommends upgrading to fixed versions 11.0.19, 10.1.53, or 9.0.116 to remediate this issue.
Potential Impact
The vulnerability could allow attackers to exploit cryptographic padding oracle weaknesses in Apache Tomcat's EncryptInterceptor, potentially leading to unauthorized information disclosure or cryptographic attacks. The exact impact details are not specified in the provided data. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat versions to 11.0.19, 10.1.53, or 9.0.116, which contain fixes for this vulnerability. Patch status is confirmed by the vendor advisory recommending these upgrades. No other mitigation guidance is provided.
CVE-2026-29146: Padding Oracle in Apache Software Foundation Apache Tomcat
Description
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-29146 is a Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor component under default configuration. It affects a wide range of Apache Tomcat versions from 7.0.100 up to 11.0.18. The vulnerability allows attackers to potentially exploit cryptographic padding errors to gain unauthorized information. The Apache Software Foundation recommends upgrading to fixed versions 11.0.19, 10.1.53, or 9.0.116 to remediate this issue.
Potential Impact
The vulnerability could allow attackers to exploit cryptographic padding oracle weaknesses in Apache Tomcat's EncryptInterceptor, potentially leading to unauthorized information disclosure or cryptographic attacks. The exact impact details are not specified in the provided data. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat versions to 11.0.19, 10.1.53, or 9.0.116, which contain fixes for this vulnerability. Patch status is confirmed by the vendor advisory recommending these upgrades. No other mitigation guidance is provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-03-04T10:35:55.231Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d7ff941cc7ad14da10e9ce
Added to database: 4/9/2026, 7:35:48 PM
Last enriched: 4/9/2026, 7:51:37 PM
Last updated: 4/10/2026, 8:15:32 AM
Views: 11
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