CVE-2026-81578
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.
Explotada activamente
- En el catálogo CISA de vulnerabilidades explotadas desde el 31 ago 2026
- Las agencias federales de EE. UU. deben corregirla antes del 14 sept 2026 (BOD 22-01)
- Atacada 1 día antes de que la vulnerabilidad se hiciera pública
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Fuente: CISA KEV · 31 ago 2026 31 ago 2026 30 ago 2026 28 ago 2026 28 ago 2026 28 ago 2026
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HProductos afectados
| Fabricantes | Prodotto | Versioni |
|---|---|---|
| papercut | papercut mf | < 24.1.9 |
| papercut | papercut ng | < 24.1.9 |
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