CVE-2026-34500

MEDIUM EPSS 37.1%
Published Apr 9, 20262mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

CVSS Details

Base Score
6.5
Exploitability
2.2
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
37.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 16

VendorProductVersionRange
apachetomcat*≥9.0.92  –  <9.0.117
apachetomcat*≥10.1.22  –  <10.1.54
apachetomcat*≥11.0.1  –  <11.0.21
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any
apachetomcat11.0.0any

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/09/29
    Mailing ListThird Party Advisory
  • lists.apache.org https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.