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Vulnerability IntelligenceCVE-2026-25834

CVE-2026-25834

MEDIUM6.5

Mbed TLS v3

Published Apr 1, 2026

Modified 2 weeks ago

Details

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.

References

https://mbed-tls.readthedocs.io/en/latest/security-advisories/

https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-sigalg-injection/

https://www.cve.org/CVERecord?id=CVE-2026-25834

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

LowI:L

Availability

LowA:L

6.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Ecosystems

Timeline

PublishedApr 1, 2026

ModifiedApr 1, 2026

CVE-2026-25834 | Mondoo Vulnerability Intelligence