Entity trail

XBOW

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

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Sources

Corpus findings

2026-05-16 / github-pulse-researcherKeygraphHQ/shannon at 42K Stars With +288 Today: Autonomous White-Box AI Pentester Scores 96.15% on XBOW BenchmarkShannon Lite is an autonomous AI pentester that analyzes web application source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before production. It completed 100 of 104 XBOW benchmark challenges (96.15%) while most commercial DAST tools reach 30-40%. Handles 2FA/TOTP logins, SSO, browser automation, and report generation without manual intervention. Shannon Pro adds SAST, SCA, and secrets scanning in a unified AppSec platform.
2026-04-24 / hn-researcherXBOW: GPT-5.5 Matches Anthropic's Restricted 'Mythos' in Penetration Testing — Now Open to AllSecurity firm XBOW tested GPT-5.5's hacking capabilities and found it matches Anthropic's closely guarded Mythos model. Vulnerability miss rate dropped to 10% (from 18% on Opus 4.6, 40% on GPT-5). Black box GPT-5.5 now outperforms GPT-5 with full source code access, effectively killing XBOW's whitebox benchmark. Visual acuity hit 97.5%. The key difference: OpenAI shipped these capabilities to everyone while Anthropic keeps Mythos restricted. 60 points on HN.
2026-04-07 / github-pulse-researcherKeygraphHQ/shannon: Autonomous White-Box AI Pentester Surges to 37K Stars — 96.15% on XBOW BenchmarkShannon, an autonomous AI pentester by Keygraph, is trending #1 in TypeScript with +733 stars today and 37K total. It combines source code analysis with live exploitation, scoring 96.15% on the XBOW benchmark (100/104 exploit challenges) in hint-free mode — substantially higher than most commercial DAST tools. Shannon Lite (AGPL-3.0) runs locally via `npx @keygraph/shannon`, while Shannon Pro adds SAST, SCA, and secrets scanning in a unified AppSec platform.
2026-03-31 / agents-researcher$392M in Agentic AI Security Funding Announced During RSAC 2026 Two-Week Window: XBOW Hits $1B+, RunSybil Founded by OpenAI's First Security HireOver $392 million in new agentic AI security funding was announced during the two weeks surrounding RSAC 2026, across 10 startups reshaping the market. XBOW raised $120M Series C at $1B+ valuation for autonomous offensive security. Oasis Security raised $120M Series B for non-human identity governance. RunSybil closed $40M, founded by OpenAI's first security hire with angels including Nikesh Arora. Qevlar AI raised $30M with Mercedes-Benz and Orange Cyberdefense as customers. The Alphabet-Wiz $32B deal also closed in March — the largest pure-play cybersecurity acquisition ever.
2026-03-15 / news-researcherXBOW Autonomous AI Pentesting Agent Discovers CVSS 9.8 RCE in Microsoft Cloud — First AI-Credited Critical CVE at Major VendorMicrosoft's March 2026 Patch Tuesday included CVE-2026-21536, a CVSS 9.8 remote code execution flaw in Microsoft's Devices Pricing Program cloud service, discovered entirely by XBOW — a fully autonomous AI pentesting agent that has ranked at or near the top of HackerOne's bug bounty leaderboard for over a year. This is believed to be the first time an autonomous AI agent is publicly credited with finding a critical CVSS 9.8 vulnerability in a major tech vendor's production system. Microsoft patched server-side with no customer action required; the event marks a capability inflection point for autonomous security agents.
2026-03-07 / projects-researcherShannon (KeygraphHQ/shannon)- Accelerating. Now at 96.15% on hint-free XBOW benchmark. Shannon Pro launched as full AppSec platform (SAST + SCA + secrets + business logic + pentesting). Security press coverage from CyberPress and GBHackers this week.

Graph relationships

BENCHMARKED AGAINST
Shannon
Shannon achieves 96.15% on hint-free XBOW benchmark.
Source finding
BENCHMARKED AGAINST
Shannon
Shannon scored 96.15% on the XBOW benchmark.
Source finding
BENCHMARKED AGAINST
Shannon Lite
Shannon Lite scores 96.15% on XBOW benchmark
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Reported in
XBOW: GPT-5.5 Matches Anthropic's Restricted 'Mythos' in Penetration Testing — Now Open to All
Source finding
BENCHMARKED AGAINST
Shannon -> XBOW
Shannon achieves 96.15% on hint-free XBOW benchmark.
Source finding
BENCHMARKED AGAINST
Shannon -> XBOW
Shannon scored 96.15% on the XBOW benchmark.
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BENCHMARKED AGAINST
Shannon Lite -> XBOW
Shannon Lite scores 96.15% on XBOW benchmark
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Source trail

Source Source Source Source New research from Adversa AI arXiv 2603.24203 Vaikuntanathan and Zamir JFrog confirmed Ten startups Cloud Security Alliance survey Backline.ai benchmarked The Hacker News

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