CVE-2026-32623: xrdp is an open source RDP server

Q: How do I fix CVE-2026-32623?

xrdp: upgrade to 0.10.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-32623 being exploited?

CVE-2026-32623 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32623 affect?

CVE-2026-32623 affects xrdp. Severity is high (CVSS 8.1). xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size

Q: How urgent is CVE-2026-32623?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.1REMOTEUPGRADE

CVE-2026-32623 is a high-severity flaw (CVSS 8.1) affecting xrdp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against its allocated memory buffer. A malicious downstream RDP server (or an attacker capable of performing a Man-in-the-Middle attack) could exploit this flaw to

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-122
Published	2026-04-17
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: neutrinolabs

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-17 20:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

neutrinolabs xrdp UPGRADE

Affected: < 0.10.6

Fixed in: 0.10.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xrdp || rpm -q xrdp || xrdp --version

2. UPGRADE to 0.10.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xrdp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xrdp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32623?

xrdp: upgrade to 0.10.6. Exact commands for each OS are on this page.

Is CVE-2026-32623 being exploited?

CVE-2026-32623 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32623 affect?

CVE-2026-32623 affects xrdp. Severity is high (CVSS 8.1). xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size

How urgent is CVE-2026-32623?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Software pages

WinRM and RDP vulnerabilities

Related CVEs

CVE-2026-32624 MEDIUM 6.5 UPGRADE xrdp is an open source RDP server
CVE-2026-32105 HIGH 7.7 UPGRADE xrdp is an open source RDP server
CVE-2026-33145 MEDIUM 6.3 UPGRADE xrdp is an open source RDP server
CVE-2026-33689 CRITICAL 9.1 UPGRADE xrdp is an open source RDP server
CVE-2026-33516 CRITICAL 9.1 UPGRADE xrdp is an open source RDP server

References

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