CVE-2026-11645

🚨 CVE-2026-11645 🚨 🌐 Google Chrome V8 Zero-Day Memory Corruption Vulnerability 🔥 Actively Exploited Zero-Day ⚡ V8 Engine Memory Corruption 🛡️ Patch Immediately 📖 Overview ⚠️ CVE-2026-11645 is a high-severity zero-day vulnerability affecting the Google Chrome V8 JavaScript engine. The flaw allows...

CVE-2018-17463

CVE-2018-17463 Working Proof of Concept Exploit for CVE-2018-17463 utilzing WebAssembly RWX Pages for Shellcode execution. CVE-2018-17463 stemmed from the incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64, allowing a remote attacker to execute arbitrary code inside a...

CVE-2017-11499

Node.js-specific security flaws Constant Hashtable Seeds CVE-2017-11499 Node.js was susceptible to hash flooding remote DoS attacks as the HashTable seed was constant across a given released version of Node.js. This was a result of building with V8 snapshots enabled by default which caused the...

POC-CVE-2025-6554

CVE-2025-6554 CVE-2025-6554 is a vulnerability in Chrome's V8 Engine JavaScript interpreter Hole Check 'inadequate control in unintended variables within expressions with optional chaining. POC CVE-2025-6554-POC.JS explores a flaw in the "Hole" verification mechanism in variables before use,...

CVE-2026-87491-and-CVE-2026-85046-the-bagel-fell-off-the-counter

CVE-2026-85046 + CVE-2026-87491 Was doing a ton of reading over at https://github.com/Serotav/Writeups. Decided to combine 85046 with 87491 and bake in some WASM at the same time. Went and re-did a stage1.js for an eventual ubuntu LPE I'm cooking. The basics: Confuse packed object and integer...

CVE-2026-11645

CVE-2026-11645 - V8 in Google Chrome prior to Remote Code Execution Quick Usage python3 exploit.py -t "C:\Path\To\Target" -o demo.zip --data-file payload.exe Exploitation Notes Severity: HIGH CVSS: 8.8 Impact: Confidentiality, Integrity, Availability Published: 2026-06-09 Technical Summary Out...

CVE-2026-9973-exploit

CVE-2026-9973 Bug fix https://chromium-review.googlesource.com/c/v8/v8/+/7822799 wasmturboshaft Fix Phi handling in Load Elimination some more Multiple Phis can depend on each other, so we have to clear all their replacements up front. Fixed: 509268941 Change-Id:...

Google-chrome-zero-day

Google Chrome Zero-Day — Web Security Track Learn, practice, and defend — ethically. This repository contains course materials and labs for the Web Security module . Use only in controlled, legal environments VMs, lab networks and follow the Responsible Disclosure & Code of Conduct below. Table o...

CVE-2026-85046

CVE-2026-85046 V8 type confusion in inline Array.prototype.sort Maglev + Turbofan. Chrome 6th zero-day of 2026. Field| Value ---|--- CVSS| 8.8 High CWE| CWE-843 Type Confusion Component| V8 JavaScript Engine -- Maglev/Turbofan inline sort Affected| Chrome 152.0.7977.82, all Chromium-based browser...

CVE-2021-21220

Exploitation of CVE-2021-21220 From Incorrect JIT Behavior to Remote Code Execution Overview This presentation explains the exploitation of CVE-2021-21220 , a vulnerability in Google Chrome’s V8 JavaScript engine caused by incorrect JIT compiler assumptions during optimization. The presentation...

CVE-2024-2887

CVE-2024-2887 This is a short writeup for the CVE-2024-2887, which I used to claim V8CTF M123. When define more types than kV8MaxWasmTypes, which can be achieved by padding more types in RecGroup, the types index can be more than 20bits and then overflowed. Then two types can be considered same a...

CVE-2026-6307-Longinus

CVE-2026-6307-Longinus Type Confusion in V8 TurboFan JS-to-Wasm call inlining + FrameState merging Better Known as 'Longinus': 2 Boundaries in One Bug Repository: https://github.com/J4ck3LSyN-Gen2/CVE-2026-6307-Longinus Detailed Report: OS-IS-CVE-2026-6307-07-2026.md Technical Write-up: Nebula...

TFC-Chrome-v8-bug-CVE-2021-38001-poc

TFC-Chrome-v8-bug-CVE-2021-38001-poc run d8 with commdline: ./d8 2.mjs...

CVE-2024-4947

CVE-2024-4947 A in-the-wild V8 type confusion bug. This repository contains Analysis and PoCs to escalate this vulnerability to have the same exploit pattern as CVE-2024-12695, Object Hash Reassign. AddressOf / FakeObject Primitives constructed by using the type confusion to assign object hash to...

jscythe

jscythe abuses the node.js inspector mechanism in order to force any node.js/electron/v8 based process to execute arbitrary javascript code, even if their debugging capabilities are disabled. Tested and working against Visual Studio Code, Discord, any Node.js application and more! How 1. Locate t...

CVE-2023-4427

CVE-2023-4427 CVE-2023-4427 was found by glazunov, and you can find RCA in his report chrome version: 117.0.5938.62 in linux from v8ctf. I choose a very unstable method. To bypass ASLR, use many iframes with different domains in main.html to brute high address, you can change your /etc/hosts to...

CVE-2024-1939

CVE-2024-1939 This is a short writeup for the CVE-2024-1939, which I used to claim V8CTF M122. The root cause of this issue is the lack of support for kWasmS128 in wasm-to-js conversion. Specifically, wasmS128Const operations occurring in parameter stacks are ignored, leading to type confusion wh...

CVE-2025-6554

CVE-2025-6554 This repository contains This repository constructed and proved the addressof and fakeobj primitives, as well as the arbitrary address read/write primitives in V8 sandbox. Reproduce Information Commit: 609a85c2a1bd77d6f6905369f4bc4fcf34c5db09 Command Line: out\x64.release\d8...

CVE-2025-5419

CVE-2025-5419 An uninitialized read vulnerability by incorrect Turboshaft Store-Store Elimination in V8. This repository contains analysis and stablized exploit to escalate this vulnerability to achieve in-V8-sandbox Arbitrary Read / Write, AddressOf & FakeObject primitives. Analysis:...

CVE-2020-6418-PoC

CVE20206418PoC for 供養 Sandbox escape exploit not included. PoC Environment OS: ubuntu 18.04 LTS V8: Release build8.0.426.23 References https://github.com/saelo/jscpwn https://bugs.chromium.org/p/chromium/issues/detail?id=1053604...