CVE-2026-111814
Received Received - Intake

TLS Session Reuse with Mismatched Client Certificates in Apache Traffic Server

Vulnerability report for CVE-2026-111814, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-21

Last updated on: 2026-10-21

Assigner: Apache Software Foundation

Description

Apache Traffic Server's default outbound session-sharing policy can reuse a pooled TLS session authenticated with one client certificate for a transaction configured to present a different one. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-21
Last Modified
2026-10-21
Generated
2026-10-22
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Apache Software Foundation Apache Traffic Server 9.0.0
Apache Software Foundation Apache Traffic Server 10.0.0
Apache Software Foundation Apache Traffic Server 10.2.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-295 The product does not validate, or incorrectly validates, a certificate.

Attack-Flow Graph

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