TI-2026-12456 Aliases CVE-2026-14780 GHSA-rrvj-pgxj-7php

PaperCut NG/MF: Remote Code Execution via Scripting Subsystem

LOW 35CWE-94Published 2026-09-24 · Updated 2026-10-13

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

A vulnerability exists in the PaperCut NG/MF platform's device-scripting functionality due to insufficient sanitization and access restrictions within the embedded execution engine. An authenticated user with administrative access to the management interface can supply a malicious script that escapes the runtime sandbox. A successful execution enables an attacker to run unauthorized operating system commands with administrative privileges on the host operating system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00323 25th percentileScored 2026-11-07

Fix Fixed PaperCut NG/MF (PaperCut): 24.1.11, 25.0.12, 26.0.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
PaperCut	PaperCut NG/MF	before 24.1.11; 25.0.0 to before 25.0.12; 26.0.0 to before 26.0.2	24.1.11, 25.0.12, 26.0.2	Patch available	CNA

PaperCut NG/MF VendorPaperCut Affected before 24.1.11; 25.0.0 to before 25.0.12; 26.0.0 to before 26.0.2 Fixed in 24.1.11, 25.0.12, 26.0.2 Patch available CNA

Remediation

Fix · CNA PaperCut NG/MF (PaperCut) Fixed in 24.1.11, 25.0.12, 26.0.2

Timeline

2026-10-02 Threatist record created from CVE-2026-14780
2026-10-03 Alias added: GHSA-rrvj-pgxj-7php
2026-10-13 Fix available: PaperCut/PaperCut NG/[email protected] · CNA

References

Other 1

https://www.papercut.com/kb/Main/security-bulletin-sep-2026/

TI-2026-56642 PaperCut MF/NG: Unsafe Dynamic Class Loading in Database Connector KEVCVSS 4.0CRITICAL 9.4
TI-2023-12085 Improper access control in PaperCut NG KEVCVSS 3.1CRITICAL 9.8
TI-2023-02373 PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF KEVCVSS 3.1HIGH 8.8
TI-2026-56284 PaperCut MF/NG: Authentication Bypass KEVCVSS 4.0HIGH 8.8
TI-2023-12086 Improper authentication in PaperCut NG KEVCVSS 3.1HIGH 7.5
TI-2023-20314 PaperCut NG and PaperCut MF before 22.1.3 on Windows allow path traversal, enabling… CVSS 3.1CRITICAL 9.8

See all 42 →

Sources

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