cve-2026-31431

CVE-2026-31431 — "Copy Fail": Linux Kernel algifaead Local Privilege Escalation CISA KEV | CVSS 7.8 HIGH | Affects Linux kernels 4.14 – early 2026 9 years Table of Contents 1. Executive Summary 2. Risk Assessment 3. Technical Deep Dive 4. Attack Methodology — Red Team 5. Detection & Incident...

CVE-2026-31431_CopyFail_LinuxKernel_LPE

CVE-2026-31431 — Copy Fail Linux Kernel LPE Educational rewrite of the Theori/Xint proof-of-concept for CVE-2026-31431, a local privilege escalation vulnerability in the Linux kernel's algifaead crypto socket interface. Affects every mainline kernel from 4.14 July 2017 through 6.18.21, and the 6....

copyfail-exploit

Copy Fail · CVE-2026-31431 Local privilege escalation on Linux kernels from 4.11 up to but not including the patched 6.18 releases. The bug lives in the kernel's AFALG socket interface—specifically how authencesn handles scatter-gather lists during in‑place AEAD decryption. The result: an...

CVE-2026-73570

CVE-2026-73570 — Zimbra ZCS SNMP Notification RCE exploit PoC Unauthenticated Remote Code Execution via OS Command Injection in the Zimbra Collaboration Suite SNMP notification handler. Overview Field| Value ---|--- CVE| CVE-2026-73570 CVSS 3.1| 8.9 HIGH — AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L CWE|...

adbHijacker

CVE-2026-0073 — Android ADB TLS Authentication Bypass A proof-of-concept exploit and network scanner for CVE-2026-0073 , a critical zero-click, no-interaction remote code execution vulnerability in Android adbd's ADB-over-TCP authentication path. The vulnerability is a logic bug in...

CVE-2026-31431

CVE-2026-31431 — Copy Fail Local Privilege Escalation in the Linux kernel's authencesn cryptographic template via AFALG + splice. Disclosed April 29, 2026 by Theori Xint Code. Overview Field| Detail ---|--- CVE| CVE-2026-31431 Nickname| Copy Fail CVSS| 7.8 HIGH Type| Local Privilege Escalation LP...

copy-fail-mitigation-with-bpftrace

copy-fail-mitigation-with-bpftrace CVE-2026-31431, AKA Copy Fail, can be mitigated in one-line with bpftrace, no kpatch building, no cargo building English Version | 中文版本 Idea To exploit Copy Fail, you need to bind socket AFALG and use algorithm authencesn , which most applications don't use a lo...

CVE-2026-31431-Copy-Fail

CVE-2026-31431 — "Copy Fail": Linux Kernel algifaead Local Privilege Escalation CISA KEV | CVSS 7.8 HIGH | Affects Linux kernels 4.14 – early 2026 9 years Table of Contents 1. Executive Summary 2. Risk Assessment 3. Technical Deep Dive 4. Attack Methodology — Red Team 5. Detection & Incident...

CVE-2026-42231

GHSA-q5f4-99jv-pgg5 — n8n XML Webhook Prototype Pollution → RCE CVE: CVE-2026-42231 Severity: Critical CVSS 10.0 Affected: n8n element. xml2js 0.6.2 uses Object.defineProperty with a data descriptor to set element keys on parsed objects. Because 'proto' in obj is always true, assignOrPush wraps t...

CVE-2026-42228

GHSA-f77h-j2v7-g6mw — n8n Unauthenticated Chat Execution Hijacking CVE: CVE-2026-42228 Severity: High Affected: n8n 1.123.32 Fixed in: n8n 1.123.32 / 2.17.4 / 2.18.1 Vulnerability Summary chat-service.ts :: startSession accepts an executionId from the WebSocket query string and only checks that t...

PAN-OS-User-ID-Buffer-Overflow-PoC

🛡️ CVE-2026-0300: PAN-OS User-ID™ Portal RCE Analysis Research Proof-of-Concept: CWE-787 Out-of-bounds Write 📌 Overview CVE-2026-0300 is a high-severity buffer overflow vulnerability identified in the Palo Alto Networks PAN-OS User-ID™ Authentication Portal Captive Portal. This research repository...

CVE-2026-31431

AFALG su memory‑patch exploit research A compact Python script that exploits an AFALG‑related kernel vulnerability to patch the su binary in memory and escalate privileges. This is provided for educational and research purposes only. ⚠️ Do not use this on any system you do not own or without...

block-copyfail

Summary CVE-2026-31431 "Copy Fail" is a Linux kernel privilege escalation vulnerability in the algifaead cryptographic interface. An attacker uses AFALG sockets with the authencesn algorithm and splice to corrupt arbitrary files in the kernel page cache — including setuid binaries like /usr/bin/s...

cfDr

cfDr - Copy Fail Doctor C opy F ail D etection and R emediation An Ansible role and playbook suite for detecting and remediating CVE-2026-31431 Copy Fail, a critical local privilege escalation vulnerability in the Linux kernel's algifaead module. Repository 🔗 GitHub :...

CVE-2026-0300-POC

🛡️ CVE-2026-0300: PAN-OS User-ID™ Portal RCE Analysis Research Proof-of-Concept: CWE-787 Out-of-bounds Write 📌 Overview CVE-2026-0300 is a high-severity buffer overflow vulnerability identified in the Palo Alto Networks PAN-OS User-ID™ Authentication Portal Captive Portal. This research repository...

CVE-2026-31431-mitigation-suite

AFALG Defense Framework A kernel-runtime defense framework for the Linux AFALG Address Family Algorithm, family 38 subsystem. Built for Security Operations Centers running enterprise Linux fleets where Zero Trust must extend into the kernel, not stop at the network edge. Why AFALG matters to a SO...

CVE-2026-31431-python-copyfail-POC

CVE-2026-31431: Copy Fail - Linux Kernel Privilege Escalation Copy Fail CVE-2026-31431 is a critical logic bug in the Linux kernel's cryptographic subsystem that allows unprivileged users to achieve privilege escalation to root. The vulnerability affects Linux kernels 6.0.0 through 6.18.x across...

CVE-2026-31431-Report-Copy-fail-Vulnerability-

CVE-2026-31431 — Copy Fail: Linux Kernel Privilege Escalation Educational analysis of the Copy Fail vulnerability in the Linux kernel. Covers the memory corruption mechanism, privilege escalation flow, container escape, and defensive countermeasures. ⚠️ Disclaimer This repository is for educationa...

CVE-2026-31431

🚨 CVE-2026-31431: Copy Fail A critical 9-year-old flaw in the Linux kernel that allows obtaining root access in seconds 📋 Executive Summary Attribute| Details ---|--- CVE| CVE-2026-31431 Nickname| Copy Fail Type| Local Privilege Escalation LPE CVSS| 7.8 High Discovered by| Theori Xint Code...

CVE-2026-31431-live-code-corruption

CVE-2026-31431 — Live Code Corruption via Page Cache A novel exploitation technique for CVE-2026-31431 "Copy Fail" that corrupts executable code of running processes through the Linux kernel's page cache, achieving root privilege escalation. What's Different All published exploits for this CVE...