CVE-2026-43514

LOW EPSS 27.1%
Published May 12, 20261mo ago · Modified Jun 17, 20261w ago
3.7 CVSS 3.1
Low
Find Similar
Published May 12, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

CVSS Details

Base Score
3.7
Exploitability
2.2
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
27.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-208

Affected Products 5

VendorProductVersionRange
apachetomcat*≥7.0.0  –  ≤7.0.109
apachetomcat*≥8.5.0  –  ≤8.5.100
apachetomcat*≥9.0.0  –  <9.0.118
apachetomcat*≥10.1.0  –  <10.1.55
apachetomcat*≥11.0.0  –  <11.0.22

References 2

  • openwall.com http://www.openwall.com/lists/oss-security/2026/05/12/10
    Mailing ListThird Party Advisory
  • lists.apache.org https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m
    Mailing ListVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.