Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-34873

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.6%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-34873
  • Arm » Mbed Tls » Version: Any
    cpe:2.3:a:arm:mbed_tls:*
  • Arm » Mbed Tls » Version: 3.5.0
    cpe:2.3:a:arm:mbed_tls:3.5.0
  • Arm » Mbed Tls » Version: 3.5.1
    cpe:2.3:a:arm:mbed_tls:3.5.1
  • Arm » Mbed Tls » Version: 3.5.2
    cpe:2.3:a:arm:mbed_tls:3.5.2
  • Arm » Mbed Tls » Version: 3.6.0
    cpe:2.3:a:arm:mbed_tls:3.6.0
  • Arm » Mbed Tls » Version: 3.6.1
    cpe:2.3:a:arm:mbed_tls:3.6.1
  • Arm » Mbed Tls » Version: 3.6.2
    cpe:2.3:a:arm:mbed_tls:3.6.2
  • Arm » Mbed Tls » Version: 3.6.3
    cpe:2.3:a:arm:mbed_tls:3.6.3
  • Arm » Mbed Tls » Version: 3.6.4
    cpe:2.3:a:arm:mbed_tls:3.6.4
  • Arm » Mbed Tls » Version: 3.6.5
    cpe:2.3:a:arm:mbed_tls:3.6.5


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