CVE-2026-33145: xrdp is an open source RDP server

Q: How do I fix CVE-2026-33145?

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

Q: Is CVE-2026-33145 being exploited?

CVE-2026-33145 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-2026-33145 affect?

CVE-2026-33145 affects xrdp. Severity is medium (CVSS 6.3). xrdp is an open source RDP server. Versions through 0.10.5 allow an authenticated remote user to execute arbitrary commands on the server due to unsafe handling of the AlternateShell parameter in xrdp-sesman. When the AllowAlternateShell se

Q: How urgent is CVE-2026-33145?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2026-33145 is a medium-severity flaw (CVSS 6.3) 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 allow an authenticated remote user to execute arbitrary commands on the server due to unsafe handling of the AlternateShell parameter in xrdp-sesman. When the AllowAlternateShell setting is enabled (which is the default when not explicitly configured), xrdp accepts a client-supplied AlternateShell value and executes it via /bin/sh -c during session initialization. This results in shell-in

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-78
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 21:16 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-2026-33145?

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

Is CVE-2026-33145 being exploited?

CVE-2026-33145 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-2026-33145 affect?

CVE-2026-33145 affects xrdp. Severity is medium (CVSS 6.3). xrdp is an open source RDP server. Versions through 0.10.5 allow an authenticated remote user to execute arbitrary commands on the server due to unsafe handling of the AlternateShell parameter in xrdp-sesman. When the AllowAlternateShell se

How urgent is CVE-2026-33145?

Priority 29/100. No elevated risk signals yet.

Software pages

WinRM and RDP vulnerabilities

Related CVEs

CVE-2026-32623 HIGH 8.1 UPGRADE xrdp is an open source RDP server
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-2026-33689 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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