CVE-2026-82078
An unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. The application instantiates database driver classes based on configurable driver names without validating against an allowlist of approved drivers. If an attacker can manipulate system configuration parameters, this enables the execution of arbitrary Java bytecode residing on the application classpath under the security context of the PaperCut server process.
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 30 ago 2026 28 ago 2026 28 ago 2026 28 ago 2026 28 ago 2026
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HProductos afectados
| Fabricantes | Prodotto | Versioni |
|---|---|---|
| papercut | papercut mf | < 24.1.9 |
| papercut | papercut ng | < 24.1.9 |
Artículos relacionados
VulnerabilidadesPaperCut bajo ataque: dos fallas permiten RCE preautenticación, es una carrera por parches
PaperCut vulnerability crítica permite RCE preautenticación. Explotación activa confirmada, parches críticos disponibles. Defienda su sistema.
VulnerabilidadesPaperCut: dos zero-day explotadas, doble parche de emergencia
Descubra las dos vulnerabilidades zero-day explotadas en PaperCut, los parches de emergencia emitidos y qué hacer para proteger su sistema.
This product uses the NVD API but is not endorsed or certified by the NVD.