What is CVE-2026-67294?

CVE-2026-67294 is a medium-severity vulnerability in Freerdp, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2026-08-01.

How severe is CVE-2026-67294?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Freerdp

CVE-2026-67294

FreeRDP before 3.29.0 improperly validates the Extended Key Usage (EKU) purpose of the peer certificate during client-side server TLS authentication. In x509_utils_verify(), when server-purpose (X509_PURPOSE_SSL_SERVER) verification fails…

Vulnerability class: Improper Certificate Validation

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Freerdp — versions 0, 3.29.0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67294?: CVE-2026-67294 is a medium-severity vulnerability in Freerdp, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2026-08-01.
How severe is CVE-2026-67294?: Medium severity. CVSS v3 base score is 5.9 out of 10.