linux-copy-fail-CVE-2026-31431

Linux Copy-Fail Analysis CVE-2026-31431 🛡️ This repository contains an in-depth analysis, Proof-of-Concept PoC, and laboratory test results for the CVE-2026-31431 vulnerability, popularly known as "Copy-Fail". Copy-Fail exploits a logic flaw in the Linux Kernel’s Crypto API AFALG combined with the...

CVE-2026-31431

Copy Fail CVE-2026-31431 - Comprehensive Writeup 1. Vulnerability Overview Vulnerability Name: Copy Fail CVE Identifier: CVE-2026-31431 Discovered By / Authors: Xint Code Research Team building upon initial foundational research by Theori researcher Taeyang Lee. "Copy Fail" is a critical logic...

CVE-2026-31431-Patch

CVE-2026-31431 Copy Fail Mitigation & Patch Script Image Before Patch and Vulnerable Image After Patch With Script This repository contains a specialized bash script designed to mitigate and patch CVE-2026-31431 , also known as "Copy Fail". This vulnerability is a critical Local Privilege...

CVE-2021-31956-EXP

Working in WIN10 1903 Not a perfect exp https://bbs.pediy.com/thread-271140.htm...

POC-CVE-2021-4034

CVE-2021-4034 While the vulnerability is not exploitable remotely and doesn’t, in itself, allow arbitrary code execution, it can be used by attackers that have already gained a foothold on a vulnerable host to escalate their privileges and achieve that capability...

CVE-2026-20805-PoC

CVE-2026-20805 PoC Proof of Concept demonstrating an information disclosure vulnerability in Microsoft Desktop Window Manager dwm.exe. Overview This repository contains a custom Proof of Concept PoC developed to reproduce CVE-2026-20805, an information disclosure vulnerability affecting the Windo...

Copy-Fail_Detect_and_mitigate_CVE-2026-31431

Copy Fail - CVE-2026-31431 Detector and Mitigator Detect exposure to CVE-2026-31431 Copy Fail and optionally apply a host-level mitigation by disabling the algifaead kernel module on vulnerable systems. What this repo provides copyfail-check.sh — checks kernel patch status, runtime module exposur...

CVE-2026-41177-Squidex-CMS

CVE-2026-41177: Squidex CMS Blind SSRF Technical research and analysis for CVE-2026-41177: A Blind Server-Side Request Forgery SSRF vulnerability in the Squidex CMS Restore API. Vulnerability Overview CVE ID: CVE-2026-41177 Affected Component: Squidex API: Backup / Restore Engine /api/apps/restor...

berdav-CVE-2021-4034

CVE-2021-4034 One day for the polkit privilege escalation exploit Just execute make, ./cve-2021-4034 and enjoy your root shell. The original advisory by the real authors is here PoC If the exploit is working you'll get a root shell immediately: vagrant@ubuntu-impish:/CVE-2021-4034$ make cc -Wall...

CVE-2026-3888-snap-confine-systemd-tmpfiles-LPE

CVE-2026-3888 — snap-confine / systemd-tmpfiles Local Privilege Escalation Local privilege escalation from unprivileged user to full root on Ubuntu Desktop 24.04+ by exploiting a TOCTOU race condition between snap-confine and systemd-tmpfiles. Two variants are provided: SUID and Capabilities. CVS...

CVE-2021-4034

CVE-2021-4034 polkit privilege escalation exploit Just execute make, ./cve-2021-4034 and enjoy your root shell. The original advisory by my Qualys team here PoC If the exploit is working you'll get a root shell immediately: kali@user:/CVE-2021-4034$ make cc -Wall --shared -fPIC -o pwnkit.so...

PwnKit-Vulnerability_CVE-2021-4034

PwnKit Vulnerability - Local Privilege Escalation Title: PwnKit Vulnerability - Local Privilege Escalation Target: Linux Category: Execution Credits: Qualys Research Team Description The Qualys Research Team has discovered a memory corruption vulnerability in polkit’s pkexec, a SUID-root program...

PATCH-CVE-2026-31431-Ubuntu_Debian

🛡️ CVE-2026-31431 Copy Fail Mitigation - Linux Kernel This repository contains scripts designed to neutralize the critical vulnerability CVE-2026-31431 , nicknamed "Copy Fail" , on Ubuntu systems. !IMPORTANT Compatibility: These scripts are tailored for and tested on Ubuntu Server 24.04 LTS. While...

CVE-2026-31431-Advanced-Exploit

CVE-2026-31431 — Copy Fail Linux Kernel Page Cache Out-of-Bounds Write Vulnerability AFALG AEAD Scatterlist Chain Error Overview The Linux kernel algifaead interface contains a vulnerability that allows unprivileged users to write arbitrary data to the page cache of any readable file — completely...

copyfail

Copy Fail - CVE-2026-31431 PoC in C Local privilege escalation exploit for CVE-2026-31431 Copy Fail, written in C. How It Works 1. ELF parsing : resolves /usr/bin/su's entry point virtual address to a file offset via PTLOAD program headers 2. AFALG setup : binds to authencesnhmacsha256,cbcaes wit...

-SCTT-2026-33-0002-DWM-Visual-Field-Singularity

SCTT-2026-33-0002: DWM Visual-Field Singularity 📡 Theoretical Classification ID: SCTT-2026-33-0002 Researcher: Americo Simoes SimoesCTT Physics: Theorem 4.2 - Turbulent Phase Transition TPT Constant: α = 0.0302011 Target: Desktop Window Manager dwm.exe / Windows Graphics Component Obsoletes:...

CVE-2024-53522

CVE-2024-53522 Exploit PoC for CVE-2024-53522 This repository contains the Proof of Concept PoC for CVE-2024-53522 , a vulnerability discovered by Safecloud Co., Ltd. For detailed information about the vulnerability, please refer to our blog post: CVE-2024-53522: HOSxP Software 0day Discover &...

Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): a website visited by the developer can trigger agent runs and server-side tool execution on the local chat endpoint

Summary The Pydantic AI development web chat UI Agent.toweb, clai web did not check the content type of requests to its chat endpoint. This allowed a website visited by a developer to submit a request to a chat UI running on that developer's machine, causing the served agent to run and to execute...

CVE-2021-4034

CVE-2021-4034 CVE-2021-4034 Add Root User - Pkexec Local Privilege Escalation 根据CVE-2021-4034进行了加强，执行Exploit将会默认添加用户名rooter，密码Hello@World，并且rooter用户将具有sudo权限。 Refer to CVE-2021-4034, executing Exploit will add username rooter, password Hello@World by default, and The rooter user will have sudo...

CVE-2026-28372-telnetd-Privilege-Escalation

CVE-2026-28372: GNU inetutils telnetd Privilege Escalation Professional Proof-of-Concept PoC for CVE-2026-28372, a Local Privilege Escalation LPE vulnerability found in GNU inetutils telnetd versions ≤ 2.7. Technical Summary The vulnerability occurs because telnetd improperly passes...