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CVE PROGRAM SOURCE RECORD9.4 Critical

CVE-2026-82078

PaperCut MF/NG: Unsafe Dynamic Class Loading in Database Connector

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PaperCut PaperCut MF/NG

Default version status: unaffected

  • 0 to < 24.1.10affected
  • 25.0.0 to < 25.0.13affected
  • 26.0.0 to < 26.0.5affected

References