🛡️ CVE-2026-55626 — xrdp

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-287 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

xrdp is an open source RDP server. In versions 0.10.6 and prior, when an authenticated user session is initialized using the Xvnc backend over UNIX domain sockets, the Xvnc process is launched with insufficient authentication mechanisms. A local authenticated attacker could exploit this vulnerability to bypass intended session isolation, allowing them to unauthorizedly view or control the active desktop sessions of other users on the same system. Users using other backends, such as xorgxrdp or Xvnc over TCP sockets, are not affected. This issue has been fixed in version 0.10.6.1.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability low.

Weakness class

CVE-2026-55626 is classified as CWE-287: Improper Authentication. The identity of the caller is not established correctly, so an attacker can act as another user.

Affected software

CVE-2026-55626 is recorded against 1 package.

  • xrdp (from 0.10.3 up to 0.10.6.1)

Timeline and source

Published on 20 July 2026 and last revised on 28 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CWE CWE-287
Public Exploit ✅ No
Source NVD
Published 2026-07-20
Updated 2026-08-11
Modified 2026-07-28
Fix URL N/A

Affected Packages

Software From version Fixed in
xrdp 0.10.3 0.10.6.1

Similar Threats

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