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CVE-2023-27350

PaperCut · MF/NG · PaperCut MF/NG Improper Access Control Vulnerability

· Added to CISA KEV
CVSS
Severityhigh
Weakness
ExploitedYes, in CISA KEV
Ransomware useKnown
Federal fix dueMay 12, 2023

Description

PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Required action (CISA)

Apply updates per vendor instructions.

References

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Our coverage of CVE-2023-27350

CVE-2026-82078critical

PaperCut releases second emergency patch for exploited flaws

PaperCut has issued a second emergency patch for its NG and MF print management software to address two critical vulnerabilities. These flaws, CVE-2026-82078 and CVE-2026-81578, were found to be bypassable by initial fixes and allow attackers to achieve authentication bypass and remote code execution. The company urges all customers to install the latest patch, even if they applied the first one, and to implement network access controls as a precautionary measure.