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CVE-2026-32107— xrdp: Fail-open privilege drop in sesexec — child processes may execute as root if setuid fails

Quick assessment

Affected
neutrinolabs xrdp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

xrdp是neutrinolabs开源的一款开源远程桌面协议服务器。 xrdp 0.10.5及之前版本存在安全漏洞，该漏洞源于会话执行组件未正确处理权限丢弃过程中的错误，可能导致经过身份验证的本地攻击者将权限提升至root并执行任意代码。

CVSS 8.8 · High EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-32107

Vulnerability Information
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Vulnerability Title
xrdp: Fail-open privilege drop in sesexec — child processes may execute as root if setuid fails
Source: CVE Program / CVE List V5
Vulnerability Description
xrdp is an open source RDP server. In versions through 0.10.5, the session execution component did not properly handle an error during the privilege drop process. This improper privilege management could allow an authenticated local attacker to escalate privileges to root and execute arbitrary code on the system. An additional exploit would be needed to facilitate this. This issue has been fixed in version 0.10.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对于放弃特权的检查不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
xrdp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xrdp是neutrinolabs开源的一款开源远程桌面协议服务器。 xrdp 0.10.5及之前版本存在安全漏洞，该漏洞源于会话执行组件未正确处理权限丢弃过程中的错误，可能导致经过身份验证的本地攻击者将权限提升至root并执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
neutrinolabs xrdp < 0.10.6 -

II. Public POCs for CVE-2026-32107

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III. Intelligence Information for CVE-2026-32107

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Vendor Pages for CVE-2026-32107 (1)

Same Patch Batch · neutrinolabs · 2026-04-17 · 8 CVEs total

CVE-2026-33145 6.3 MEDIUM xrdp: Authenticated RCE via unsanitized AlternateShell execution in xrdp-sesman
CVE-2026-35512 xrdp: Heap buffer overflow in EGFX channel
CVE-2026-32105 xrdp: RDP MAC signature (dataSignature) never verified on receive — integrity bypass in no
CVE-2026-32624 xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length
CVE-2026-32623 xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly
CVE-2026-33689 xrdp: Pre-authentication out-of-bounds reads in channel parsers
CVE-2026-33516 xrdp: Pre-authentication out-of-bounds reads in RDP capability and channel parsers

IV. Related Vulnerabilities

Same product: xrdp
Same vendor: neutrinolabs
Same weakness: CWE-273

V. Comments for CVE-2026-32107

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