PaperCut vulnerabilities
- PaperCut has 30 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #235 of 420 vendors on this site by that count.
- Of the 30 with a CVSS score, 15 (50%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 5 vulnerabilities attributed to PaperCut are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2026-81578, was added on 31 Aug 2026.
- 2 of them (40%) are marked as known to be used in ransomware campaigns.
- For the 5 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 3 days.
Records are attributed to PaperCut from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 6 |
| 2024 | 14 |
| 2025 | 1 |
| 2026 | 14 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 14 | 1 | 4 | 35.7% | 0% |
| 2025 | 1 | 0 | 1 | 100% | 0% |
| 2024 | 14 | 0 | 8 | 57.1% | 0% |
| 2023 | 6 | 1 | 4 | 83.3% | 0% |
| 2022 | 0 | 0 | 0 | — | — |
| 2021 | 0 | 0 | 0 | — | — |
| 2020 | 0 | 0 | 0 | — | — |
| 2019 | 0 | 0 | 0 | — | — |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 0 | 0 | 0 | — | — |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2026-81578 | NG/MF | PaperCut NG/MF Missing Authentication for Critical Function Vulnerability | 2026-08-31 | Unknown |
| CVE-2026-82078 | NG/MF | PaperCut NG/MF Unsafe Reflection Vulnerability | 2026-08-31 | Unknown |
| CVE-2023-27351 | NG/MF | PaperCut NG/MF Improper Authentication Vulnerability | 2026-04-20 | Known |
| CVE-2023-2533 | NG/MF | PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability | 2025-07-28 | Unknown |
| CVE-2023-27350 | MF/NG | PaperCut MF/NG Improper Access Control Vulnerability | 2023-04-21 | Known |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring PaperCut records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2023-27350 | 100% | 100% | Critical | Yes |
| CVE-2026-81578 | 83.7% | 99.7% | High | Yes |
| CVE-2023-3486 | 79.2% | 99.6% | High | No |
| CVE-2023-27351 | 78.1% | 99.6% | High | Yes |
| CVE-2024-1222 | 64% | 99.2% | High | No |
| CVE-2024-1883 | 61.5% | 99.2% | Medium | No |
| CVE-2023-39469 | 61.4% | 99.2% | High | No |
| CVE-2026-82078 | 60.9% | 99.2% | Critical | Yes |
| CVE-2024-1884 | 37.9% | 98.5% | Medium | No |
| CVE-2023-2533 | 28.8% | 98.1% | High | Yes |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.