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Recently patched PaperCut zero-days used in data theft attacks

Cybersecurity teams worldwide scramble to mitigate ongoing PaperCut zero-day exploits.

By · Published September 3, 2026  08:09 UTC · Updated September 5, 2026  09:01 UTC

7sources
7articles
5velocity
+0%since first seen
57d agofirst detected
Text:
🤖 AI Dossier

Evidence dossier

Intelligence passport

67/100 Strong
7distinct sources shown
40velocity measurements
1language editions checked
All brief claims passed the second-source checkbrief evidence status

Measured timeline

📍 The outcome

PaperCut exploitation escalated to active intrusions as threat actors targeted chained vulnerabilities in data theft attacks. The company released a third emergency patch with fixes only for versions 25 and 26.

Following these developments, the U.S. CISA added the flaws to its Known Exploited Vulnerabilities catalog.

Epilogue added 53d ago, after coverage quieted.

Momentum

How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →

The story so far

⚡ Executive Intelligence Takeaways Corroborated across 7 independent newsrooms
  • Velocity & Diffusion: Coverage exploded across 7 distinct news outlets with 7 published articles, achieving a live velocity of 5.
  • Primary Driver: Cybersecurity teams worldwide scramble to mitigate ongoing PaperCut zero-day exploits.
  • Predictive Outlook: Archynetys algorithmic models forecast this story will fade from trending status over the next 24 hours.
  • Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.

PaperCut NG/MF software has been under active exploitation since the beginning of September. The initial attacks targeted zero-day vulnerabilities in the print management software.

The company responded by releasing emergency patches for versions 25 and 26. However, the exploitation has escalated to active intrusions, with threat actors chaining vulnerabilities to steal data.

Cybersecurity and Infrastructure Security Agency (CISA) has added the flaws to its Known Exploited Vulnerabilities catalog, urging organizations to apply the patches immediately. The situation is critical, with ongoing efforts to mitigate the threats and protect sensitive information.

Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 55d ago.

Who reported it (7)

The obvious questions

What is PaperCut NG/MF?

PaperCut NG/MF is a print management software used by organizations to monitor and control printing activities.

What versions of PaperCut are affected?

The emergency patches are available for versions 25 and 26. Coverage does not yet specify whether other versions are affected.

What actions has CISA taken?

CISA has added the PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog, indicating the severity of the threat and the need for immediate action.

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Topics

PaperCut zero-day cybersecurity data theft CISA emergency patch

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