CVE-2026-29146

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/09/24	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

14 Apr 2026, 12:56

Type	Values Removed	Values Added
CPE		cpe:2.3:a:apache:tomcat::::::::
References	~~() https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w -~~	() https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w - Mailing List, Vendor Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/04/09/24 -~~	() http://www.openwall.com/lists/oss-security/2026/04/09/24 - Mailing List, Third Party Advisory
First Time		Apache Apache tomcat

10 Apr 2026, 19:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CWE		CWE-209 CWE-642

10 Apr 2026, 00:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/04/09/24 -

09 Apr 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-09 20:16

Updated : 2026-04-14 12:56

NVD link : CVE-2026-29146

Mitre link : CVE-2026-29146

CVE.ORG link : CVE-2026-29146

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-209

Generation of Error Message Containing Sensitive Information

CWE-642

External Control of Critical State Data

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