CVE-2026-29145: apache software foundation apache tomcat Improper Authentication
Vulnerability summary
CVE-2026-29145 is a critical (CVSS 9.1) Improper Authentication vulnerability in apache software foundation apache tomcat. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 19 · Related 11Timeline
- 09-04-2026PublishedVulnerability first disclosed.
- 10-04-2026Last modifiedVulnerability information updated.
Description
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13. Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.
CVSS metrics
7 scores · 7 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- OSV · WolfiEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- OSV · ChainguardEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- OSV · MavenEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.71% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard20 products
- camunda-8.8< 8.8.22-r0
- camunda-zeebe-8.6< 8.6.39-r0
- camunda-zeebe-8.7< 8.7.27-r0
- camunda-zeebe-8.8< 8.8.22-r0
- kayenta-2025.0< 2025.0.8-r11
Debian3 products
- tomcat10< 10.1.55-1~deb12u1 | < 10.1.55-1~deb13u1 | < 10.1.54-1
- tomcat11< 11.0.22-1~deb13u1 | < 11.0.21-1
- tomcat9< 9.0.70-2
Ubuntu3 products
- tomcat10All versions (No fix recorded)
- tomcat11All versions (No fix recorded)
- tomcat9All versions (No fix recorded)
Apache2 products
- tomcat≥ 9.0.83, < 9.0.116 | ≥ 10.1.1, < 10.1.53 | ≥ 11.0.0, < 11.0.20 | 10.1.0 | 10.1.0:milestone10 | 10.1.0:milestone11 | 10.1.0:milestone12 | 10.1.0:milestone13 | 10.1.0:milestone14 | 10.1.0:milestone15 | 10.1.0:milestone16 | 10.1.0:milestone17 | 10.1.0:milestone18 | 10.1.0:milestone19 | 10.1.0:milestone20 | 10.1.0:milestone7 | 10.1.0:milestone8 | 10.1.0:milestone9
- tomcat_native≥ 1.1.23, < 1.3.7 | ≥ 2.0.0, < 2.0.14
Apache software foundation2 products
- apache tomcat≥ 11.0.0-M1, ≤ 11.0.18 | ≥ 10.1.0-M7, ≤ 10.1.52 | ≥ 9.0.83, ≤ 9.0.115
- apache tomcat native≥ 1.1.23, ≤ 1.1.34 | ≥ 1.2.0, ≤ 1.2.39 | ≥ 1.3.0, ≤ 1.3.6 | ≥ 2.0.0, ≤ 2.0.13
Org.apache.tomcat2 products
- tomcat≥ 9.0.83, < 9.0.116 | ≥ 10.1.0-M7, < 10.1.53 | ≥ 11.0.0-M1, < 11.0.20
- tomcat-coyote-ffm≥ 9.0.83, < 9.0.116 | ≥ 10.1.0-M7, < 10.1.53 | ≥ 11.0.0-M1, < 11.0.20
Wolfi2 products
- thingsboard-tb-mqtt-transport< 4.3.1.1-r11
- thingsboard-tb-node< 4.3.1.1-r11
7 vendors · 34 products
References
14 links- lists.apache.org/thread/yz5fxmhd2j43wgqykssdo7kltws57jfzVendor AdvisoryREPORTAdvisoryWEBMailing List
Show all 14 references
- github.com/apache/tomcatPACKAGE