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CVE

CVE-2026-81578

P2

PaperCut NG/MF Missing Authentication for Critical Function Vulnerability

PaperCut · NG/MF

Date added (CISA)

2026-08-31

Remediation due

2026-09-14

Known ransomware use

Not indicated

Remediation priority

P2 — past CISA due date

Associated with

Related to

Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTREcampaignCorrelated cluster2026-09-16
Qilin ransomwarecampaignCorrelated cluster2026-09-11
PowerShell-based RATcampaignCorrelated cluster2026-08-31

Related

Nothing linked yet

No threat actor or pipeline report has been cross-referenced against this CVE yet. The associated-with rail above shows any asserted relationships.

Source: NVD ↗ · CISA KEV Catalog ↗

CVE-2026-81578: PaperCut NG/MF Missing Authentication for Critical Function Vulnerability · RaqibCTI