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CVE-2026-48558

CRITICAL · CVSS 10 EPSS %0.72 CISA KEV · Aktif istismar

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-12T18:16:35.317 · Çekilme zamanı: 2026-06-30T12:18:30.622637+00:00

CyberRota Yorumu

Uzaktan istismar edilebilir olabilir.

CISA KEV Bilgisi

Durum: Bu CVE, sahada aktif istismar edilmiş açıklar katalogunda yer alıyor.

Ransomware Kullanımı: Unknown

KEV Eklenme Tarihi: 2026-06-29

Önerilen Aksiyon: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE
CVE-2026-48558
Severity
CRITICAL
CVSS
10
EPSS
%0.72

Orijinal NVD Açıklaması

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 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. No user interaction is required.