#VulnHunter
📢 VulnHunter : scanner de sécurité IA agentique open-source pour la découverte et l'exploitation de vulnérabilités

🗓️ Publi éen octobre 2026, ce contenu provient du dépôt GitHub public nealbridges/VulnHunter, un fork maintenu de…

🔴 vérification factuelle basse
#VulnHunter #OpenSource #Cyberveille
VulnHunter : scanner de sécurité IA agentique open-source pour la découverte et l'exploitation de vulnérabilités
🗓️ Publi éen octobre 2026, ce contenu provient du dépôt GitHub public nealbridges/VulnHunter, un fork maintenu de l'outil VulnHunter initialement développé en interne par Capital One et open-sourcé sous licence Apache-2.0. 🔍 VulnHunter est un outil de sécurité applicative agentique basé sur l'IA, conçu pour analyser du code source en adoptant une approche attaquant-first.
cyberveille.ch
October 7, 2026 at 8:00 PM
VulnHunter — Agentic AI security scanner that reasons like an attacker over source code, confirms exploitable flaws with executable PoCs, and drives test-first fixes through hunt, fix, and verify skills. https://ktp.sh/IFFmzN4lMs
October 7, 2026 at 1:33 PM
An AI agent that works on code from the terminal, a scanner that tests vulnerabilities in a sandbox, and an ebook reader: today's GitHub digest ranges from Codewhale and VulnHunter to KOReader.
GitHub Digest — October 6, 2026
An AI agent that works on code from the terminal, a scanner that tests vulnerabilities in a sandbox, and an ebook reader: today's GitHub digest ranges from Codewhale and VulnHunter to KOReader.
www.alextech.ai
October 6, 2026 at 6:52 PM
🤖 sastIA — SAST auditing with an AI agent pipeline.
VulnHunter methodology (recon → hunt → verify → PoC → report), OpenCode agents running Semgrep, Gitleaks & Bandit. Findings with impact analysis and remediation.
🔗 https://github.com/madpowah/sastIA
#SAST #AppSec #AI #InfoSec
September 21, 2026 at 5:32 AM
Capital One releases VulnHunter, an open-source AI tool that finds software flaws before hackers do venturebeat.com/tech... via VentureBeat
Capital One releases VulnHunter, an open-source AI tool that finds software flaws before hackers do
Capital One has open-sourced VulnHunter, an AI security tool that finds exploitable code flaws, maps attack paths and helps developers fix vulnerabilities faster.
venturebeat.com
July 20, 2026 at 9:00 PM
Capital One открывает исходный код инструмента безопасности «VulnHunter» на базе ИИ

Агентский инструмент безопасности выявляет потенциально уязвимые дефекты кода, отслеживает пути атак и рекомендует целенаправленные исправления.

Telegram ИИ Дайджест
#ai #news
Capital One Open Sources AI-Powered ‘VulnHunter’ Security Tool
www.securityweek.com
July 20, 2026 at 9:25 PM
Weekend AI News: Capital One Vulnhunter, Warren Buffett and Kylie's Creepy Glasses montanimation.studio/weekend-ai-n...
Weekend AI News: Capital One Vulnhunter, Warren Buffett and Kylie's Creepy Glasses - MONTANIMATION
It may be the weekend, but the AI News doesn't take a day off. AI is infiltrating Warren Buffett and Capital One credit cards and Kylie Jenner's Meta glasses are just creepy.
montanimation.studio
July 19, 2026 at 3:41 PM
* Attacker-First Forward Analysis: VulnHunter flips the "sink-first" security model to reduce false positives by simulating a bad actor's exact journey. It begins at potential entry points (APIs, network, file uploads) and reasons forward to evaluate whether an attacker can truly break through.
GitHub - capitalone/VulnHunter: Agentic AI security tool that applies proactive, attacker-first analysis directly to source code.
Agentic AI security tool that applies proactive, attacker-first analysis directly to source code. - capitalone/VulnHunter
github.com
July 29, 2026 at 5:45 AM

* Evidence-Backed Remediation: When a defect survives the falsification engine, VulnHunter maps the exact exploit path and generates focused, targeted code changes for review.
GitHub - capitalone/VulnHunter: Agentic AI security tool that applies proactive, attacker-first analysis directly to source code.
Agentic AI security tool that applies proactive, attacker-first analysis directly to source code. - capitalone/VulnHunter
github.com
July 29, 2026 at 5:45 AM
* Falsification Engine: After finding a potential vulnerability, VulnHunter runs a structured reasoning workflow specifically designed to disprove its own argument. It searches for flawed assumptions, logic gaps, or security controls that would block the attack.
GitHub - capitalone/VulnHunter: Agentic AI security tool that applies proactive, attacker-first analysis directly to source code.
Agentic AI security tool that applies proactive, attacker-first analysis directly to source code. - capitalone/VulnHunter
github.com
July 29, 2026 at 5:45 AM
Capital One "VulnHunter" - an open harness for vulnerability discovery

Cool to see more and more OSS in the security domain. You can clone it from GitHub and run it now.

Significant adds in three key areas:
July 29, 2026 at 5:45 AM
Defensive agentic security for everyone. It's the harness, not the model. Here's Capital One's code for finding vulnerabilities in your code. Add the model that you want. Hoping to see a lot more work like this in coming months so software can become secure.

i.capitalone.com/GLflbcsc7
VulnHunter: an open-source, agentic AI code security tool | Capital One Tech
Announcing the release of VulnHunter, an open-source AI code security tool with an agentic reasoning workflow developed by Capital One.
www.capitalone.com
July 17, 2026 at 5:48 AM
Capital One Open-sources AI Security Tool VulnHunter to Help Developers Identify Exploitable Flaws before Deployment #AISecurity #Apache #API
Capital One Open-sources AI Security Tool VulnHunter to Help Developers Identify Exploitable Flaws before Deployment
  Capital One has released VulnHunter, an open-source AI-powered application security tool designed to identify exploitable software vulnerabilities before code reaches production. Published under the Apache 2.0 licence, the framework combines agentic reasoning with code analysis to trace how an attacker could move through an application, determine whether a vulnerability is genuinely exploitable, and generate remediation guidance for developers. Unlike many traditional static analysis tools that begin with suspicious code patterns and work backwards to determine whether they are reachable, VulnHunter adopts what Capital One describes as an attacker-first approach. The framework starts from external entry points such as API endpoints, network message handlers and file upload interfaces before following the application's execution path to assess whether malicious input can successfully bypass existing security controls and reach vulnerable code. A distinguishing component of the framework is its built-in falsification engine. Rather than presenting every suspected issue to developers, VulnHunter attempts to invalidate its own findings by testing assumptions, examining application logic and identifying conditions that would prevent an exploit from succeeding. Findings that fail these internal verification steps are discarded, while validated issues are accompanied by a detailed explanation of the attack path, supporting evidence gathered from the codebase and a proposed code change that developers can review before deployment. Capital One said the current implementation operates within Anthropic's Claude Code environment using Claude Opus 4.8, although the framework has been designed with the flexibility to support additional foundation models and coding environments in the future. The financial institution said it decided to release the project publicly because software supply chains have become increasingly interconnected, making application security a shared challenge rather than one that can be solved by individual organisations. Chris Nims, Capital One's Chief Information Security Officer, said the growing accessibility of AI-driven offensive capabilities has reduced the time defenders have to identify and remediate vulnerabilities before they can be exploited by attackers. By making VulnHunter openly available, the company hopes security researchers and developers will continue improving the framework while strengthening software security across the wider ecosystem. The release builds on Capital One's wider investment in open-source software and secure software development. The company began publishing open-source projects more than a decade ago, later adopting an open-source-first strategy and expanding its participation in community-driven security initiatives. It has since contributed to dozens of public projects and joined the Open Source Security Foundation (OpenSSF) as a premier member to support collaborative efforts around software supply chain security and governance. Capital One also said it evaluated VulnHunter internally across thousands of software repositories spanning multiple business units before its public release. According to the company, the framework helped identify and remediate vulnerabilities more efficiently than previous manual review processes by reducing unnecessary alerts and providing developers with evidence-backed remediation guidance. The announcement comes as organisations increasingly explore AI-assisted approaches to application security in response to the growing use of AI by threat actors to discover software weaknesses, automate exploit development and accelerate attacks. Security teams have also faced persistent challenges with alert fatigue caused by conventional vulnerability scanners that frequently generate false positives requiring extensive manual verification. Capital One believes embedding security analysis directly into the software development lifecycle can help organisations identify exploitable weaknesses earlier, allowing developers to address issues before applications are deployed. As AI continues to reshape both offensive and defensive cybersecurity capabilities, tools that combine contextual code analysis, automated reasoning and actionable remediation may become an increasingly important part of modern secure software development practices.
dlvr.it
July 29, 2026 at 6:17 PM
Announcing VulnHunter #devopsish medium.com/capital-o...
July 21, 2026 at 4:17 PM
capitalone/VulnHunter: Agentic AI security tool that applies proactive, attacker-first analysis directly to source code. #devopsish github.com/capitalon...
July 21, 2026 at 3:05 PM
2/ Quick context: Capital One released VulnHunter (Apache‑2.0). It runs attacker‑first forward analysis, a falsification engine to cut false positives, and outputs concrete fixes (currently on Claude Code).
July 18, 2026 at 1:30 AM
1/ 3 things founders should learn from Capital One open-sourcing VulnHunter — and why it changes rental product, tenant demand, and listing strategy this quarter.
July 18, 2026 at 1:30 AM
VulnHunter: la IA de Capital One que caza bugs de seguridad

Capital One liberó VulnHunter gratis: la IA que lee tu codigo como un atacante y caza vulnerabilidades antes que los hackers. Que es y como integrarlo

#vulnhunter #capitalone #seguridad #devsecops #claudeopus
VulnHunter Capital One: IA que caza bugs
Capital One liberó VulnHunter gratis: la IA que lee tu codigo como un atacante y caza vulnerabilidades antes que los hackers. Que es y como integrarlo
blog.donweb.com
July 18, 2026 at 12:20 AM