What is CVE-2026-50544?

CVE-2026-50544 is a medium-severity vulnerability in Northebridge Luminalshine, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 6.3/10. Published 2026-08-13.

How severe is CVE-2026-50544?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Northebridge Luminalshine

CVE-2026-50544

NortheBridge/luminalshine is a Sunshine-compatible game stream host for Moonlight. Prior to version 26.05.0-rc4, a latent gap exists on a default install, the file at `src/platform/windows/misc.cpp` lives at `C:\ProgramData\LuminalShine\co…

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Northebridge Luminalshine — versions < 26.05.0-rc4

Weakness classification (CWE)

CWE-379 — Creation of Temporary File in Directory with Insecure Permissions
CWE-732 — Incorrect Permission Assignment for Critical Resource

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-50544?: CVE-2026-50544 is a medium-severity vulnerability in Northebridge Luminalshine, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 6.3/10. Published 2026-08-13.
How severe is CVE-2026-50544?: Medium severity. CVSS v3 base score is 6.3 out of 10.