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CVE-2026-34871

MEDIUM CVSS 3.1: 6.7 EPSS 0.01%
Updated Apr 01, 2026
N/A
Parameter Value
CVSS 6.7 (MEDIUM)
Affected Versions before 3.6.6
Type CWE-338
Vendor N/A
Public PoC No

An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator (PRNG).

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-338

Vulnerable Products

n/a:n/a

References 2

https://mbed-tls.readthedocs.io/en/latest/security-advisories/
NVD
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-…
NVD
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Related Vulnerabilities

CVE-2026-5455

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CVE-2026-28373

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CVE-2026-34874

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CVE-2026-25835

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CVE-2026-25833

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7.5