copy-fail-CVE-2026-31431-shell

CVE-2026-31431 - copyfail shell Local privilege escalation via AFALG socket + splice page-cache overwrite. Overwrites a read-only SUID binary /usr/bin/su with a minimal ELF that calls setuid0 + execve"/bin/sh". No race condition, no per-distro offsets, single shot. $ ./copyfailexp.sh Kernel:...

copy-fail-CVE-2026-31431

CVE-2026-31431 — Copy Fail Linux kernel local privilege escalation via AFALG + splice page-cache overwrite For authorized security research, penetration testing, and educational purposes only. Do not use against systems you do not own or have explicit written permission to test. Technical Writeup...

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-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-2021-3156

CVE-2021-3156 Sudo Baron Samedit This repository is CVE-2021-3156 exploit targeting Linux x64. For writeup, please visit https://datafarm-cybersecurity.medium.com/exploit-writeup-for-cve-2021-3156-sudo-baron-samedit-7a9a4282cb31 Credit to Braon Samedit of Qualys for the original advisory. Files...

Copy-Fail-Exploit-CVE-2026-31431

Copy Fail CVE-2026-31431 – Exploit Usage Guide ⚠️ Disclaimer This content is for educational and authorized security testing purposes only. Do NOT run this on systems without explicit permission. 📌 Overview Copy Fail CVE-2026-31431 is a Linux Local Privilege Escalation LPE vulnerability affecting...

CVE-2026-21436

CVE-2026-21436 eopkg = 4.3.4, the Solus OS package manager, writes files containing absolute paths in package contents directly to the specified directory during the installation of packages with the .eopkg extension. Even if the --destdir parameter, used to install the package to a specific...

dirtyfrag-patches

Dirty Frag — Kernel Patches Patch series for the Dirty Frag vulnerability class discovered by Hyunwoo Kim @v4bel. Dirty Frag allows an unprivileged local user to overwrite arbitrary bytes of the page cache of read-only files e.g. /usr/bin/su, /etc/passwd leading to local privilege escalation to...

CVE-2025-27591

CVE-2025-27591 - Privilege Escalation via Insecure Log Handling Overview CVE-2025-27591 is a local privilege escalation vulnerability in the below utility versions prior to the patched release caused by insecure symbolic link handling within its logging mechanism. Attackers with local access can...

CVE-2026-107377

datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.81.0, an attacker-controlled Protobuf schema can supply absolute or parent-directory paths captured by WEAKIMPORTPATTERN and consumed by writemissingweakimports in...

CVE-2026-31431-rs

CVE-2026-31431 PoC copyfail Structure src/ ├── main.rs Exploit: AFALG + splice to overwrite /bin/su └── bin/ └── payload.rs Payload Self-contained nostd binaries with zero runtime dependencies: poc-rs: 4.1 KB payload embedded via includebytes! payload: 1.7 KB Build Requires Rust 1.85+: cargo buil...

CVE-2026-107709

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3. The vulnerability located in lib/decompress-zip.js improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive containing entries that resolve to prefix-sibling directories can cause fil...

NodeJS-Tar-Symlink-Exploit-CVE-2026-29786

📦 CVE-2026-29786: Node.js Tar Symlink Vulnerability -yellow 📌 Executive Summary This repository documents research into CVE-2026-29786 , a high-severity vulnerability discovered in the popular Node.js tar package. The flaw allows an attacker to create a malicious tar archive that, when extracted,...

Copy-Fail

CVE-2026-31431 – "Copy Fail" Reachability Checker A simple, safe Python script that determines whether a Linux system is vulnerable to CVE-2026-31431 "Copy Fail", a local privilege escalation that affects all major distributions since kernel 4.14. ⚠️ What is Copy Fail? CVE-2026-31431 is a...

CVE-2026-31802

CVE-2026-31802: tar Symlink Path Traversal / Arbitrary File Overwrite Research: Joshua van Rijswijk Description This repository contains my proof of concept and write-up for CVE-2026-31802 , a high-severity vulnerability in the npm tar package node-tar affecting versions = 7.5.10. I found that ta...

CVE-2026-23745

CVE-2026-23745: node-tar Arbitrary File Overwrite Research: Joshua van Rijswijk Description PoC for CVE-2026-23745 , a high-severity path traversal vulnerability in node-tar 7.5.2. The library fails to sanitize absolute paths in the linkpath field for Hardlinks and Symlinks. This allows malicious...

CVE-2026-107709

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3 . The issue is located in lib/decompress-zip.js, where the software improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive with entries resolving to prefix-sibling directories can ca...

CVE-2026-107709 Bower decompress-zip has a path traversal vulnerability

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3. The vulnerability located in lib/decompress-zip.js improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive containing entries that resolve to prefix-sibling directories can cause fil...

EUVD-2026-95103

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3. The vulnerability located in lib/decompress-zip.js improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive containing entries that resolve to prefix-sibling directories can cause fil...

CVE-2026-107709 Bower decompress-zip has a path traversal vulnerability

A path traversal vulnerability exists in Bower decompress-zip through version 0.3.3. The vulnerability located in lib/decompress-zip.js improperly validates archive entry paths during ZIP extraction. A crafted ZIP archive containing entries that resolve to prefix-sibling directories can cause fil...