CVE-2026-31431-Copy-Fail-add-arm64

Vulnerability Overview Item| Content ---|--- CVE ID| CVE-2026-31431 Vulnerability Name| Copy Fail Vulnerability Type| Linux Kernel Local Privilege Escalation LPE CVSS 3.1 Score| 7.8 HIGH CWE| CWE-669: Incorrect Resource Transfer Between Spheres Affected Scope| All Linux kernels built between 2017...

copy-fail-go

copy-fail-go Go port of grenkoca's Python PoC for CVE-2026-31431 copy-fail. This version compiles to a fully static binary with zero runtime dependencies - no Python, no pip, no libc version constraints. Drop it on any Linux target and run it. It also automatically enumerates all SUID...

CVE-2026-109829

undici is an HTTP client library for Node.js. In versions 7.0.0 through 7.30.0 and 8.0.0 through 8.12.1, when an originless Agent composes the redirect and cache interceptors in that order with a shared cache store, the cache builds its key from the original request URL before the redirect handle...

copy-fail-CVE-2026-31431

Vulnerability Description Root Cause In 2017, the Linux kernel crypto module authencesn introduced an in-place optimization for AEAD Authenticated Encryption with Associated Data operations. This optimization caused read-only pages in the page cache to be incorrectly placed into a writable...

CVE-2026-31431-exploit

CVE-2026-31431 WARNING These Linux LPE exploit implementations are runtime-destructive. They overwrite the live page-cache view of privileged targets such as: su PAM configuration files any file passed into patch mode This is usually not a normal persistent on-disk edit, but it does change runtim...

CVE-2026-31431-PoC

Copy Fail - Python 3.9 PoC CVE-2026-31431 The public Copy Fail exploit wasn't compaitble with python 3.9, this one is. The original was modifed by replacing the unavailable os.splice with a lightweight ctypes polyfill. 🚨 LEGAL DISCLAIMER CFAA & Related Laws THIS SOFTWARE IS PROVIDED FOR EDUCATION...

CVE-2026-31431

CVE-2026-31431 — Local Privilege Escalation via AFALG 2026-04-29 — I am publishing this exploit one day after sharing it on theMyDigitalLife forum. It does not require Python; it is written in C and compiled to the smallest possible size using: musl-gcc -static -Os -o exploit exploit.c -s Critica...

CVE-2026-31431

CVE-2026-31431 - Proof-of-Concept Linux algifaead page-cache write to root - Local Privilege Escalation Exploit Writeup https://websec.net/blog/cve-2026-31431-linux-algifaead-page-cache-write-to-root-69f38a4ccddd2db1f520f170 Notes We haven't fully tested yet the PoC, its based on public reference...

filebuster

Filebuster An extremely fast and flexible web fuzzer What is it? Filebuster is a HTTP fuzzer / content discovery script with loads of features and built to be easy to use and fast! It uses one of the fastest HTTP classes in the world of PERL - Furl::HTTP. Also the thread modelling is optimized to...

squid

SQUID Web Proxy Cache http://www.squid-cache.org/ Copyright C 1996-2026 The Squid Software Foundation and contributors Squid software is distributed under GPLv2+ license and includes contributions from numerous individuals and organizations. Please see the COPYING and CONTRIBUTORS files for...

dirtyfrag

Dirty Frag: Universal Linux LPE Abstract This document describes the Dirty Frag vulnerability class, first discovered and reported by Hyunwoo Kim @v4bel, which can obtain root privileges on major Linux distributions by chaining the xfrm-ESP Page-Cache Write CVE-2026-43284 vulnerability and the...

CVE-2026-31431-CopyFail-Lab

CVE-2026-31431 "Copy Fail" — Linux Kernel LPE Lab Overview This repository documents a complete lab investigation of CVE-2026-31431 Copy Fail , a high-severity local privilege escalation LPE vulnerability in the Linux kernel's algifaead cryptographic module, disclosed on April 29, 2026. CVSS Scor...

cve-2026-31431-detection

CVE-2026-31431 "Copy Fail" — Defensive Detection Package A production-ready collection of detection rules and triage guidance for CVE-2026-31431, a Linux kernel local privilege escalation in the algifaead crypto interface disclosed by Theori Xint Code Research. The vulnerability exploits an...

CVE-2026-31431

CVE-2026-31431 — "Copy Fail" Local Privilege Escalation in the Linux Kernel crypto algifaead subsystem. Overview CVE-2026-31431, dubbed "Copy Fail", is a logic bug in the Linux kernel's authencesn cryptographic template algifaead. It allows an unprivileged local user to perform a controlled 4-byt...

CVE-2025-56799

CVE-2025-56799 OS Command Injection Vulnerability via Cache Clearing Scheduler in Reolink Desktop Application 1. Overview Name : Reolink Desktop Application Version : 8.18.12 Vendor : Reolink CWE : CWE-78: Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection'...

CVE-2026-31431-CopyFail-Universal-LPE

CVE-2026-31431 "Copy Fail" — Universal LPE Exploit Linux kernel page cache 4-byte arbitrary write → Local Privilege Escalation Multiple exploit approaches: dynamic ELF entry point overwrite, full binary replacement, Python 3.x compatible with ctypes splice fallback. What is this? CVE-2026-31431 i...

CVE-2026-31431

CVE-2026-31431 - Copy Fail Copy Fail is a logic bug in the Linux kernel's crypto subsystem CVE-2026-31431. A 2017 optimization in algifaead.c accidentally placed page cache pages into a writable scatterlist. The authencesn AEAD algorithm writes 4 scratch bytes past the output boundary during...

copyfail-rs

copyfail-rs Copy Fail exploit CVE-2026-31431 but in Rust, a critical vulnerability chaining AFALG and splice to achieve a 4-byte page cache write, leading to local privilege escalation on major Linux distributions. Based on the research and PoC by Xint Code. Disclaimer !CAUTION This project is fo...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail 732 bytes. Any distro. Root. A straight-line logic flaw in the Linux kernel's authencesn cryptographic template enables an unprivileged local user to perform a precise, controlled 4-byte write into the page cache of any readable file — including setuid binaries. No race...

copyfail

Overview Copy Fail CVE-2026-31431 is a logical vulnerability in the Linux kernel that allows a local unprivileged user to escalate privileges to superuser root. The vulnerability belongs to the Local Privilege Escalation LPE class, does not require complex exploitation conditions such as race...