Disclosure summary
PaperCut NG/MF contains a missing authentication for critical function vulnerability which allows an unauthenticated remote attacker to modify certain system configurations. This vulnerability can be chained with CVE-2026-82078.
CISA remediation guidance
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.
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Rapid7 Blog · RSS-a635186c2e057f80741e97b40a875f825d2
Open original source · Updated Sep 11, 2026
Metasploit Wrap Up: This One Goes to Sixteen!
CVE mention in publisher metadata; check the original affected versions.
Original records & references
PUBLISHED 2026-08-31T00:00:00-04:00
MODIFIED 2026-08-31T00:00:00-04:00
INGESTED 2026-10-06T11:42:57-04:00