UNKNOWN CISA KEV

CVE-2026-82078

CVSS v3

—

Unknown

EPSS Score

0.5 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added: 2026-08-31
Patch Due Date: 2026-09-14
Ransomware Use: Unknown

Technical details

Published: 2026-08-28
Last Modified: 2026-08-29

Frequently asked questions

What is CVE-2026-82078?

Is CVE-2026-82078 actively exploited?

Yes. CVE-2026-82078 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-09-14.

What is the CVSS score for CVE-2026-82078?

A CVSS score has not been assigned to CVE-2026-82078 yet.

Is CVE-2026-82078 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IP Search CVEs SIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2026 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database