Is PaperCut safe right now?
No new exploited flaws in the last 30 days, but 2 in the last 90. Make sure those updates are installed.
Exploited in the last 90 days
- NG/MFZero-dayPaperCut NG/MF Unsafe Reflection Vulnerability
What to do: Install the vendor's security update. If there isn't one yet, apply the vendor's workaround, or stop using the product until it's fixed. CISA lists this as actively exploited, so treat it as urgent.
- NG/MFZero-dayPaperCut NG/MF Missing Authentication for Critical Function Vulnerability
What to do: Install the vendor's security update. If there isn't one yet, apply the vendor's workaround, or stop using the product until it's fixed. CISA lists this as actively exploited, so treat it as urgent.
Earlier exploited flaws
- PaperCut NG/MF Improper Authentication Vulnerability
- PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
- PaperCut MF/NG Improper Access Control Vulnerability Zero-day
By year
| Year | Exploited flaws added | Zero-days |
|---|---|---|
| 2026 (so far) | 3 | 2 |
| 2025 | 1 | 0 |
| 2024 | 0 | 0 |
| 2023 | 1 | 1 |
| 2022 | 0 | 0 |
Questions
Is PaperCut safe right now?
No new exploited flaws in the last 30 days, but 2 in the last 90. Make sure those updates are installed. Confirm with the vendor's own advisories and install updates as soon as they're available.
How many PaperCut vulnerabilities have been exploited?
5 flaws are on CISA's list of vulnerabilities known to be exploited in real attacks, 2 of them used by ransomware.
Covers products matching papercut. Sources: CISA's Known Exploited Vulnerabilities catalog and the vendors' own advisories. Updated every hour. General information only; confirm details with the vendor.