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CVE-2026-111044

7.6 · HIGH

Sunshine is a self-hosted game stream host for Moonlight.

Published Oct 16, 2026CWE-863EPSS 0.16%

Overview

CVE-2026-111044 is a high-severity vulnerability. It was published on October 16, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Sunshine is a self-hosted game stream host for Moonlight. From 2026.329.165800 until 2026.906.222525, Sunshine accepted any client certificate that chained to a stored paired-client certificate, but it did not require the presented certificate to be the exact enabled paired identity. Certificate text was also compared without canonicalizing equivalent PEM encodings. A previously paired client that retains its private key can present an alternate certificate derived from its paired certificate and bypass the Disable control. Equivalent PEM encodings could also cause inconsistent client identity handling. A client that was never paired cannot use this issue, and removing the paired client removes its trust relationship. This issue is fixed in version 2026.906.222525.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/LizardByte/Sunshine/commit/4d768847fcd88cc94ac745c4611715c67d7d67e1GitHubgithub.com/LizardByte/Sunshine/releases/tag/v2026.906.222525GitHubgithub.com/LizardByte/Sunshine/security/advisories/GHSA-6jvv-jqr7-m6m3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-111044?

CVE-2026-111044 is a high-severity vulnerability. It was published on October 16, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-111044?

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-111044?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-111044?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-111044 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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