HackerOne Introduces h1 Validation to Help Enterprises Manage Surge in AI-Discovered Vulnerabilities [Yahoo! Finance]
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Source: Yahoo! Finance
SAN FRANCISCO, April 21, 2026 BUSINESS WIRE HackerOne , a global leader in Continuous Threat Exposure Management (CTEM), today announced h1 Validation, a new offering designed to help enterprises manage the surge and complexity of vulnerabilities uncovered by frontier AI models. As systems like Claude Mythos and OpenAI's GPT-5.4-Cyber accelerate vulnerability discovery speed and scale, the gap between discovery and remediation is widening, while adversaries move faster to exploit them. New data from the HackerOne platform shows how quickly the challenge is escalating. Vulnerability submissions grew 76% year over year, reaching a record high in March 2026. About 25% of findings were confirmed exploitable, a rate that has held steady despite the surge in submissions, meaning the absolute number of real vulnerabilities continues to grow. The share of critical and high-severity vulnerabilities rose to 32%, up from a historical baseline of 26 to 28%. At the same time, the window between
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