CVE-2026-111815
Critical · 10.0CVSS
10.0
EPSS
0.2%
Published
Oct 21, 2026
CISA due date
—
The record
Apache Traffic Server can resume a TLS session across SNI virtual hosts without re-verifying a client certificate required by the resumed host's verify_client STRICT policy. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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