Critical Vulnerability in PaperCut Print Deploy Client Enables Arbitrary Code Execution

A vulnerability was discovered in PaperCut Print Deploy Client, allowing an attacker to execute arbitrary code. The flaw was reported on June 22, 2026, as detailed in the security advisory CERTFR-2026-AVI-0789. No specific CVE identifier, affected versions, or technical details about the exploitation mechanism were provided in the notice. The impact is limited to unauthorized code execution, though the context or privileges gained were not specified. The advisory originates from the French government’s CERT (CERT-FR). No mitigation or patch information was included in the reported content.