PaperCut NG - Authentication Bypass

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 Build 63914. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class. The issue results from improper...

CVE-2026-8793

CVE-2026-8793 — PaperCut NG 登录表单缺少暴力破解防护 字段| 详细信息 ---|--- CVE ID| CVE-2026-8793 产品| PaperCut NG 受影响版本| 25.0.11 Build 75758 及更早版本 CWE| CWE-307 — 对过多身份验证尝试的限制不当 CVSS 评分| 5.3（中危）— 独立利用时；与 CVE-2026-8794 链式利用时可升级 研究人员| Vivien LEBAS @Hazaz 报告时间| 2026年5月 状态| 已修复 — PaperCut NG 26.0.3 摘要 PaperCut NG 的 Web...

CVE-2023-27350

CVE-2023-27350 This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 Build 63914. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue results from improper...

CVE-2026-8794

CVE-2026-8794 — PaperCut NG 中通过认证时序侧信道进行的用户名枚举 字段| 详情 ---|--- CVE ID| CVE-2026-8794 产品| PaperCut NG 受影响版本| 25.0.11（Build 75758）及更早版本 CWE| CWE-208 — 可观察的时序差异 CVSS 分数| 3.7（低）— 单独使用时；与 CVE-2026-8793 链式利用时升级 研究人员| Vivien LEBAS（@Hazaz） 报告时间| 2026 年 5 月 状态| 已修复 — PaperCut NG 26.0.3 摘要 PaperCut NG...

PaperCut-CVE-2026-81578-82078

Herramienta profesional de investigación de seguridad para la evaluación de vulnerabilidades y explotación autorizada de PaperCut NG/MF root@kitploit: ╔══════════════════════════════════════════════════════════════════╗ ║ PAPERCUT SECURITY TOOL – POWER MODE ║ ║ CVE-2026-81578 · CVE-2026-82078 ·...

PaperCut-Authentication_Bypass_and_RCE

CVE-2023-27350 — PaperCut NG/MF Authentication Bypass & RCE Standalone Python exploit for the critical authentication bypass and remote code execution vulnerability in PaperCut NG/MF. CVSS 9.8. Description CVE-2023-27350 affects PaperCut NG and MF in versions prior to 20.1.7, 21.2.11, and 22.0.9...

CVE-2023-27350

PaperCut NG/MG RCE CVE-2023-27350 A streamlined Bash exploit for CVE-2023-27350. This script automates authentication bypass, environment preparation, and command injection via the PaperCut printer scripting engine. Visual Proof Basic rce: Triggering a reverse shell: Quick Start root@kitploit:...

VulnCheck KEV: CVE-2023-39470

PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The specific flaw exists with...

PaperCut NG/MF Missing Authentication for Critical Function Vulnerability

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...

PaperCut NG/MF Unsafe Reflection Vulnerability

PaperCut NG/MF contains an unsafe reflection vulnerability that allows an attacker to manipulate system configuration parameters and execute arbitrary Java bytecode residing on the application classpath under the security context of the PaperCut server process. This vulnerability can be chained...

Exploit for CVE-2026-81578

Professional security research tool for PaperCut NG/MF vulne...

CVE-2026-82078

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...

PaperCut NG/MF Critical Zero-Day Exploited in the Wild

Overview On August 27, 2026, PaperCut Software published an urgent security advisory stating that it is investigating active exploitation of a vulnerability affecting PaperCut NG and PaperCut MF. PaperCut has confirmed customer incidents and is treating the issue as a security emergency. At the...

PaperCut Zero-Day Exploited in Attacks, Affecting All NG and MF Versions

PaperCut has alerted customers that bad actors are actively exploiting a vulnerability impacting all versions of its PaperCut NG and PaperCut MF print management software in zero-day attacks. The company has released an emergency patch for v25 and v26 to address the issue. It said it's "aware of...

PaperCut NG < 24.1.9.76516 / 25.x < 25.0.12.76510 / 26.x < 26.0.4.76508 Multiple Vulnerabilities

The version of PaperCut NG installed on the remote Windows host is prior to 24.1.9.76516 or 25.x prior to 25.0.12.76510, or 26.x prior to 26.0.4.76508. It is, therefore, affected by the following vulnerabilities: - An authentication bypass vulnerability exists in the web management interface due ...

VulnCheck KEV: CVE-2026-81578

An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of access validation checks. This allow...

PT-2026-83118

Name of the Vulnerable Software and Affected Versions PaperCut MF affected versions not specified PaperCut NG affected versions not specified Description An unsafe dynamic class loading issue exists in the database connection utilities. The application instantiates database driver classes based o...

PT-2026-83117

Name of the Vulnerable Software and Affected Versions PaperCut MF affected versions not specified PaperCut NG affected versions not specified Description An improper access control issue exists in the web management interface. Under specific conditions, unauthenticated remote requests targeting...

CVE-2026-8794

PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated remote attacker can exploit this vulnerability to perform username enumeration by measuring response times during login attempts. The system executes a password hash comparison only when a...

CVE-2026-8793

PaperCut NG/MF does not properly restrict excessive authentication attempts within its login component. An unauthenticated remote attacker can exploit this vulnerability to perform unrestricted brute-force or credential-stuffing attacks without triggering account lockout or rate-limiting mechanis...