CVEvulnerability

CVE-2026-34873

9.1 CRITICAL Published 2026-04-01 Modified 2026-06-17 Official page ↗

Status: Analyzed
Published: 2026-04-01
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses: CWE-287

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.

Affected configurations

• trustedfirmware mbed tls (>= 3.5.0 < 3.6.6) • trustedfirmware mbed tls (>= 4.0.0 < 4.1.0)

Related

Weakness · CWE (1)

CWE-287 Improper Authentication weakness

References