# CVE-2026-33689: xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the…

Source: https://junglewise.ai/threats/cve-2026-33689-xrdp-is-an-open-source-rdp-server-versions-through-0-10-5-have-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-17  
License: CC BY 4.0 with a link back

CVE-2026-33689 · Severity: critical · CVSS 9.1 · Published 2026-04-17

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase. This vulnerability results from insufficient validation of input buffer lengths before processing dynamic channel communication. Successful exploitation can lead to a denial-of-service (DoS) condition via a process crash or potential disclosure of sensitive information from the service's memory space. This issue has been fixed in version 0.10.6.

Technologies: [Neutrinolabs Xrdp](https://junglewise.ai/threats/technologies/xrdp). Vendors: [Neutrinolabs](https://junglewise.ai/threats/vendors/neutrinolabs).

## Quick answers

**Is CVE-2026-33689 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33689 being exploited in the wild.

**How severe is CVE-2026-33689?** Critical severity, with a CVSS score of 9.1, published 17 April 2026.

**Which products and versions are affected?** Neutrinolabs Xrdp. The advisory does not name versions.

**Is there a fix for CVE-2026-33689?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-33689?** Check whether you run Neutrinolabs Xrdp. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Neutrinolabs Xrdp

## Related threats

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