[0day-rubbish] Devolutions Server (DVLS) 2026.2.14.0 PAM entitlement-gate bypass to SYSTEM PowerShell via the test-script endpoint (9.1)

[disclosure via Fulldisclosure <fulldisclosure () seclists org>]

0day Rubbish Research Team is publicly disclosing a vulnerability in
Devolutions Server (DVLS) 2026.2.14.0.

Type: PAM entitlement-gate bypass to SYSTEM PowerShell via the test-script endpoint (CWE-862)
CVSS: 9.1 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
Impact: arbitrary PowerShell execution as NT AUTHORITY\SYSTEM on the Devolutions Server host
Authentication: authenticated administrator (no PAM licence, no PAM role)

Full technical analysis and a reproducible proof-of-concept:
  https://0day-rubbish.com/blog/devolutions-server-pam-license-bypass-system-rce

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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