CVE•Published 2026-04-09•Modified 2026-06-30•0 articles on news•6 live references•NVD data

CVE-2026-29146Apache · Tomcat

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

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

EPSS percentile

—

Weaknesses (CWE)

CWE-209Generation of Error Message Containing Sensitive Information CWE-642External Control of Critical State Data CWE-1240Use of a Cryptographic Primitive with a Risky Implementation

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.

Timeline

Published 2026-04-09

Modified 2026-06-30

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-29146

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Apache Tomcat"

All exposed Apache Tomcat instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Tomcat"

HTTP body or banner mentions "Tomcat" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-29146