VULNERABILITY INTELLIGENCE

CVE-2026-34873

CVSS score9.1 CRITICAL
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-04-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-287

Primary references