CVE-2026-291467.5HighCWE-209

CVE-2026-29146: Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default

Apache Software Foundation · Apache Tomcat

Vendor fix available · Affected: Apache Software Foundation Apache Tomcat · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

8.8%probability of exploitation in the next 30 days

95th percentile

050100

Higher than 95% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Apache Software Foundation · Apache Tomcatfrom 11.0.0-M1 up to and including 11.0.18; from 10.0.0-M1 up to and including 10.1.52; from 9.0.13 up to and including 9.0.115; from 8.5.38 up to and including 8.5.100; from 7.0.100 up to and including 7.0.109

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Generation of Error Message Containing Sensitive Information · Information Disclosure
Vendor: Apache Software Foundation
Published: April 2026
Band: Possible (1 to 10%), April 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-29146 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

8 more references are in the CVE record.