Vulnerability DatabaseCVE-2026-42218
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CVE-2026-42218
Published:July 20, 2026
Updated:August 06, 2026
xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure via username enumeration. This issue has been fixed in version 0.10.6.1.
Affected Packages
https://github.com/neutrinolabs/xrdp.git (GITHUB):
Affected version(s) >=v0.10.0 <v0.10.6.1
Fix Suggestion:
Update to version v0.10.6.1
Related Resources (4)
https://github.com/neutrinolabs/xrdp/releases/tag/v0.10.6.1
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42218.json
https://nvd.nist.gov/vuln/detail/CVE-2026-42218
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-3wr5-fwmh-qh34
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Observable Response Discrepancy
CWE-204
EPSS
Base Score:
0.25