htb-labs-nexus

🏴‍☠️ HTB Labs - Nexus English 🇺🇸 | Español 🇪🇸 English | Español 📋 概述 Nexus 是 Hack The Box 上一台简单难度的 Linux 机器 ，演示了一条多阶段攻击链，涉及虚拟主机枚举、暴露的凭据、易受攻击的 Web 应用功能、远程代码执行、凭据重用和本地权限提升。 攻击链 root@kitploit: 侦察 │ ▼ 虚拟主机枚举 │ ├── git.nexus.htb └── billing.nexus.htb │ ▼ Gitea 提交历史 │ ▼ 暴露的凭据 │ ▼ Krayin CRM 登录 │ ▼...

EUVD-2026-70449

A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images...

CVE-2026-71221

gfs2-utils is affected by a stack out-of-bounds write in the savemeta function, where the height value from on-disk inode metadata is used as a loop bound without bounds checking. This can cause a stack buffer overflow leading to arbitrary code execution when processing crafted GFS2 filesystem im...

CVE-2026-71221 Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked height in savemeta

A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images...

CVE-2026-71220

A stack out-of-bounds write vulnerability in gfs2-utils (specifically the gfs2_edit tool) occurs when the di_height field from on-disk inode metadata is used as an array index without bounds checking, resulting in a stack buffer overflow. Processing a crafted GFS2 filesystem image may lead to arb...

EUVD-2026-70448

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2edit, the diheight field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem image...

CVE-2026-71221

A stack out-of-bounds write vulnerability was found in gfs2-utils. In savemeta, the height value from on-disk inode metadata is used as a loop bound without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem images...

CVE-2026-71220 Gfs2-utils: gfs2-utils: stack out-of-bounds write via unchecked di_height in gfs2_edit

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2edit, the diheight field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem image...

CVE-2026-71220

A stack out-of-bounds write vulnerability was found in gfs2-utils. In gfs2edit, the diheight field from on-disk inode metadata is used as an array index without bounds checking, causing a stack buffer overflow that may lead to arbitrary code execution when processing crafted GFS2 filesystem image...

CVE-2021-44228

🛡️ CVE-2021-44228: Log4Shell Analysis - The Vulnerability That Revolutionized Java Security Critical Impact CVSS 10.0 | Discovered in 2021, this flaw in Apache Log4j allows remote code execution RCE and affects millions of systems globally. Even today, it remains a key reminder for cybersecurity! ...

Sandbox-Challenge-Log4Shell-CVE-2021-44228-

Sandbox Challenge: Log4Shell CVE-2021-44228 Overview This walkthrough documents the steps taken to complete the CISA Threat Sandbox Challenge for CVE-2021-44228, commonly known as Log4Shell. The challenge involved completing two objectives — one red team offensive and one blue team defensive —...

react2shelldemo

React2Shell CVE-2025-55182 — Local RSC Security Demo ⚠️ WARNING This repository is for educational and defensive security research only. Do NOT attempt to run this code against: Production systems Public websites Servers you do not own or have explicit permission to test Unauthorized exploitation...

CVE-2020-29607-POC

Pluck CMS 4.7.13 File Upload RCE Exploit 🚨 Educational Remote Code Execution Exploit 🚨 Author: Ron Jost Hacker5preme Reference: Exploit-DB CVE: CVE-2020-29607 ⚠️ Disclaimer: This script is for educational and authorized testing purposes only. Do not use it on systems you do not own or have explici...

Log4Shell-CVE-2021-44228-

Log4Shell CVE-2021-44228 - SOC Report Analysis Overview This repository contains a comprehensive Security Operations Center SOC analysis of Log4Shell CVE-2021-44228 , one of the most critical vulnerabilities discovered in 2021. The vulnerability affects the Apache Log4j logging library and poses ...

CVE-2018-7600-Drupalgeddon2-RCE

CVE-2018-7600 Drupalgeddon2 — 红队项目 ITSOLERA 网络安全部门 | 攻防安全实习 2026 概述 本项目研究、复现并记录了 CVE-2018-7600 Drupalgeddon2 —— Drupal CMS 中的一个严重（CVSS 9.8）未认证远程代码执行漏洞， 影响 7.58 和 8.5.1（2018 年 3 月发布）之前的版本。 该漏洞存在于 Drupal 的 Form API 中，它在将用户提供的输入合并到表单元素渲染属性之前未能对其进行清理——从而允许攻击者注入 PHP 可调用对象，Render API 随后会执行这些对象。 ⚠️...

CVE-2026-62897

A flaw was found in .NET Framework. This integer overflow or wraparound vulnerability allows an unauthorized attacker to execute code locally. By exploiting this flaw, an attacker could gain control over the affected system. Mitigation No mitigation is required. Red Hat's .NET packages do not shi...

CVE-2026-33017-Langflop

CVE-2026-33017 Langflow "Langflop" 未认证 RCE PoC 该 PoC 针对 Langflow 中未认证的 buildpublictmp 代码执行漏洞。它通过向公共流程上传恶意组件，触发构建，并捕获反弹 shell。 仅限授权安全测试。 只对您拥有或获得明确测试许可的系统使用。 环境要求 Python 3 requests pip install requests 使用方法 运行内置监听器并一次性触发漏洞利用： root@kitploit: python3 poc.py \ --url https://target:7860 \ --flow-id ...

CVE-2023-22527

CVE-2023-22527 - Atlassian Confluence 远程代码执行 概述 CVE-2023-22527 是 Atlassian Confluence Data Center 和 Server 中的一个严重远程代码执行漏洞。该漏洞允许未经认证的攻击者通过特定端点中的模板注入，在易受攻击的 Confluence 实例上执行任意代码。 快速事实 CVE ID : CVE-2023-22527 CVSS 评分 : 10.0（严重） CVSS 向量 : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CWE :...

CVE-2026-70354

A flaw was found in .NET. This vulnerability, caused by an out-of-bounds write, could allow an unauthorized attacker to execute code locally. Exploitation requires local access and user interaction, but if successful, it can lead to significant impact on the system's confidentiality, integrity, a...

EUVD-2026-70404

n8n versions before 1.123.73, 2.35.4, and 2.36.2 contain an expression sandbox escape in the $fromAI handler. $fromAI resolved a caller-supplied placeholder name without requiring it to be an own property and admitted reserved keys; against a primitive input value it returned a live host-prototyp...