Exploited Vulnerabilities DailyCVE-2026-48558: SimpleHelp SimpleHelp
EPSS5.7%No. 1393 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV4
Same product4
| Field | Value |
|---|---|
| Vendor | SimpleHelp |
| Product | SimpleHelp |
| Name | SimpleHelp Authentication Bypass Vulnerability |
| Added to KEV | 2026-06-29 |
| US federal due date | 2026-07-02 |
| Ransomware use | Unknown |
| CWE | CWE-347 |
CISA description
SimpleHelp contains an authentication bypass vulnerability in the OIDC authentication flow. When OIDC authentication is configured, identity tokens submitted during login are accepted without verifying their cryptographic signature. In a vulnerable configuration, a remote, unauthenticated attacker can submit a forged token containing arbitrary identity claims to obtain a fully authenticated technician session. In some configurations, this may also allow bypass of multi-factor authentication.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2024-57728 | SimpleHelp SimpleHelp | 2026-04-24 | 64.6% | Known |
| CVE-2024-57726 | SimpleHelp SimpleHelp | 2026-04-24 | 66.6% | Known |
| CVE-2024-57727 | SimpleHelp SimpleHelp | 2025-02-13 | 96.5% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A SimpleHelp SimpleHelp vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-06-29.