coldbraid

CVE-2026-48558 SimpleHelp SimpleHelp

SimpleHelp versions 5.5.15 and prior and 6.0 pre-release versions contain an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying…

CVSS
9.5 Critical
EPSS
80%
Percentile
100
Published
2026-06-12
Force
11 of 12
Public PoC
1

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CWE-347

On CISA’s exploited list

SimpleHelp Authentication Bypass Vulnerability

Added
2026-06-29
Federal patch deadline
2026-07-02
Ransomware use
not known