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CVE-2026-82078

Registro da vulnerabilidade com dados oficiais do NIST NVD, CISA KEV e FIRST EPSS.

Descrição

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.

CVSS 3.x
9.1 CRITICAL
Publicada
28/08/2026
Atualizada
14/09/2026
Status NVD
Analyzed

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Fraqueza: CWE-470

Fonte:NIST NVD· coletado 15/10/2026, 23:58

Exploração

No catálogo CISA KEV
Sim, desde 31/08/2026
Usada por ransomware
Não confirmado
Prazo CISA
14/09/2026
EPSS (FIRST)
63.5%

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· coletado 15/10/2026, 23:58

Referências

Links publicados no registro oficial

Alguns navegadores bloqueiam sites oficiais abertos a partir da pré-visualização; copie o endereço para abrir em outra aba: https://nvd.nist.gov/vuln/detail/CVE-2026-82078