CVE-2026-29146

HIGHCVSS 7.5/10EPSS 3.65%

Last modified

CVE-2026-29146 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.65% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
3.65%

88.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheTomcat>= 7.0.100, <= 7.0.109
ApacheTomcat>= 8.5.38, <= 8.5.100
ApacheTomcat>= 9.0.13, < 9.0.116
ApacheTomcat>= 10.0.0, < 10.1.53
ApacheTomcat>= 11.0.0, < 11.0.20

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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.
How severe is CVE-2026-29146?
CVE-2026-29146 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.65% probability of exploitation in the next 30 days.
How do I fix CVE-2026-29146?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-29146?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST