9.1

CVE-2026-29145: apache software foundation apache tomcat Improper Authentication

CVSS: 9.1v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2026-29145DEBIAN-CVE-2026-29145CGA-99jf-h5ww-c48w
Published 09-04-2026Last modified 10-04-2026

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 19 · Related 11

Timeline

  1. 09-04-2026
    PublishedVulnerability first disclosed.
  2. 10-04-2026
    Last 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

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

18-09-202618-10-2026
EPSS score
0.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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
Show all 14 references