CVE-2026-81578
PaperCut MF/NG: Authentication Bypass
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 28, 2026
- Updated
- Sep 13, 2026
- Reserved
- Aug 27, 2026
Description
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allows an unauthenticated remote attacker to modify certain system configurations.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N | PaperCut |
Weaknesses
- CWE-305 Authentication bypass by primary weakness
Affected Products
| Product | Versions |
|---|---|
PaperCut MF/NGPaperCut |
|
References
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