What is CVE-2026-109953?

CVE-2026-109953 is a medium-severity vulnerability in Freerdp, classified under Insufficiently Protected Credentials. CVSS score: 5.3/10. Published 2026-10-13.

How severe is CVE-2026-109953?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Freerdp

CVE-2026-109953

FreeRDP 3.0.0 before 3.32.0 contains an insufficiently protected credentials vulnerability where the /restricted-admin option fails to suppress CredSSP credential delegation, sending the cleartext password to the RDP server. A compromised or man-in-the-middle destination host can decode TSPasswordCreds and the Client Info PDU to obtain reusable administrative domain, username, and password values.

Published 2026-10-13.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Freerdp

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jhxw-3hj9-9hqh (vendor-advisory)
www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-cleartext-credential-d… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109953?: CVE-2026-109953 is a medium-severity vulnerability in Freerdp, classified under Insufficiently Protected Credentials. CVSS score: 5.3/10. Published 2026-10-13.
How severe is CVE-2026-109953?: Medium severity. CVSS v3 base score is 5.3 out of 10.