From: disclosure via Fulldisclosure <fulldisclosure () seclists org>
Date: Tue, 8 Sep 2026 06:22:27 +0000
TO: fulldisclosure () seclists org
SUBJECT: [0day-rubbish] Royal Server 5.04.50529.0 Local privilege escalation to LocalSystem on the execution path
without credential override (7.2)
FROM: disclosure () 0day-rubbish com
----BODY----
0day Rubbish Research Team is publicly disclosing a vulnerability in
Royal Server 5.04.50529.0.
Type: Local privilege escalation to LocalSystem on the execution path without credential override (CWE-250)
CVSS: 7.2 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Impact: authenticated scripts execute as LocalSystem on the management gateway host
Authentication: authenticated (valid admin/session required)
Full technical analysis and a reproducible proof-of-concept:
https://0day-rubbish.com/blog/royal-server-authenticated-local-system-privesc
Project archive (ongoing disclosure series):
https://github.com/Exploit-Garbage/0day-Rubbish
Vendor has been notified. CVE ID is pending.
--
0day Rubbish Research Team
disclosure () 0day-rubbish com
https://0day-rubbish.com
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- [0day-rubbish] Royal Server 5.04.50529.0 Local privilege escalation to LocalSystem on the execution path without credential override (7.2) disclosure via Fulldisclosure (Sep 08)