Improper access control in Simple OAuth (OAuth2) & OpenID Connect - CVE-2026-122058
Published: November 5, 2026
Vulnerability identifier: #VU159417
CSH Severity: Low
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-122058
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected module does not sufficiently restrict access to consumer configuration. A remote administrator can bypass implemented security restrictions and gain unauthorized access to the application.
Affected software
Simple OAuth (OAuth2) & OpenID Connect
How to mitigate CVE-2026-122058
Install updates from vendor's website.
Simple OAuth (OAuth2) & OpenID Connect - addressed in versions 5.2.6, 6.0.10, 6.1.4