Critical Alert 2 Active Exploits Detected Today

CVE-2026-82078 PaperCut NG/MF Unsafe Reflection Vulnerability →
CVE-2026-81578 PaperCut NG/MF Missing Authentication for Critical Function Vulnerability →
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September 1, 2026

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CVE-2026-56451NVD

Vulnerability Summary

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in the JSON Web Token (JWT) header.
This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.
Severity Level
CRITICAL(10.0)
Published Date
Jul 14, 2026
Last Modified
Jul 14, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.31%Probability
Root Weakness (CWE)
N/A
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh