Improper access control in OpenID Connect / OAuth client - CVE-2026-3532
Published: March 5, 2026
Vulnerability identifier: #VU123567
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-3532
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pfrilling
Affected software:
OpenID Connect / OAuth client
OpenID Connect / OAuth client
Detailed vulnerability description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected module does not sufficiently validate the uniqueness of certain user fields depending on the database engine and its collation. A remote user can register with the same email address as another user.
How to mitigate CVE-2026-3532
Install updates from vendor's website.