CVE-2026-82078

CRITICAL9.1Pubblicata il 28 agosto 2026

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.

Sfruttata attivamente

  • Nel catalogo CISA delle vulnerabilità sfruttate dal 31 ago 2026
  • Le agenzie federali statunitensi devono correggerla entro il 14 set 2026 (direttiva BOD 22-01)
  • Attaccata 1 giorno prima che la vulnerabilità fosse resa pubblica

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.

Fonte: CISA KEV · 31 ago 2026 30 ago 2026 28 ago 2026 28 ago 2026 28 ago 2026 28 ago 2026

Punteggio CVSS9.1 / 10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Tipo di debolezza (CWE)CWE-470
Vendorpapercut

Prodotti coinvolti

VendorProdottoVersioni
papercutpapercut mf< 24.1.9
papercutpapercut ng< 24.1.9

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Database CVE