CVE-2026-34873

CriticalCVSS 9.1/10Last modified Nov 11, 2026

Description

An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Apr 1, 2026
Last modified
Nov 11, 2026
NVD status
Analyzed

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CVE-2026-34873: Critical severity, CVSS 9.1 | Vulnix