CVE-2026-109953 FreeRDP 3.0.0 before 3.32.0 Cleartext Credential Disclosure via /restricted-admin
Attackers can steal cleartext administrative credentials from FreeRDP clients using the restricted-admin option due to failed credential suppression.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-109953?
CVE-2026-109953 is a medium-severity vulnerability in Freerdp Freerdp, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-522
Which versions are affected by CVE-2026-109953?
It affects 1 product.
Products include Freerdp Freerdp.
How do I fix CVE-2026-109953?
Upgrade to a fixed version.
Is CVE-2026-109953 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109953 exists.
Other vulnerabilities in Freerdp Freerdp
- CVE-2021-37594 Other in n/a
- CVE-2021-37595 Other in n/a
- CVE-2026-67305 FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr
- CVE-2026-66402 FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass
- CVE-2026-67289 FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection
Sources
Also known as DEBIAN-CVE-2026-109953, GHSA-jhxw-3hj9-9hqh, GHSA-wg33-49mj-vh4c, UBUNTU-CVE-2026-109953.