ChatGPT Remote Code Execution Vulnerability
AI agents, including Claude Sonnet 4.5, GPT-5, and Gemini 2.5 Pro, demonstrated high proficiency by solving 9 out of 10 lab challenges that simulated real-world web application vulnerabilities with minimal cost. These successes encompassed exploits like authentication bypass, IDOR, stored XSS, S3 bucket takeover, and AWS IMDS SSRF, highlighting AI's capability for multi-step reasoning and rapid pattern recognition.
STABLE
What Happened
AI agents, including Claude Sonnet 4.5, GPT-5, and Gemini 2.5 Pro, demonstrated high proficiency by solving 9 out of 10 lab challenges that simulated real-world web application vulnerabilities with minimal cost. These successes encompassed exploits like authentication bypass, IDOR, stored XSS, S3 bucket takeover, and AWS IMDS SSRF, highlighting AI's capability for multi-step reasoning and rapid pattern recognition.
Why This Matters
Publisher reporting describes a concrete security event. BugSkan could not yet bind it to a CVE or affected version, so treat the source details as the current record.
Recommended Action
Confirm whether for is present in your environment and review vendor guidance for this report. Apply available patches or mitigations if your deployment matches the described conditions.
Exposure
Exposure unknown
Sep 17, 2026 16:20
Exposure reason: This incident does not currently match a technology in My Interests.
Exploitation status: UNKNOWN
Primary entities:
Timeline
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Incident first seen
Oct 03, 2025 05:30BugSkan first recorded this incident.
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Building AI for cyber defenders - Anthropic
Oct 03, 2025 05:30anthropic.com · Research
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AI Agents vs Humans: Who Wins at Web Hacking in 2026? - wiz.io
Jan 29, 2026 05:30wiz.io · Vulnerability
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Anthropic study shows AI needs hours, not weeks, to build exploits from security patches - the-decoder.com
Jun 10, 2026 12:30news.google.com · Data Leak
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CISO's Expert Guide to Agentic Pentesting for Websites
Sep 17, 2026 16:20thehackernews.com · News
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Latest observed development
Sep 17, 2026 16:20Most recent source or update associated with this incident.
Sources
anthropic.com · Oct 03, 2025 05:30
Claude Sonnet 4.5 demonstrates significant advancements in cybersecurity defense, exhibiting enhanced capabilities in detecting, analyzing, and patching software vulnerabilities. Evaluations like Cybench and CyberGym show its proficiency in identifying both known and novel vulnerabilities in codebases and deployed systems, often outperforming previous models and human teams.
Open publisher sourcewiz.io · Jan 29, 2026 05:30
AI agents, including Claude Sonnet 4.5, GPT-5, and Gemini 2.5 Pro, demonstrated high proficiency by solving 9 out of 10 lab challenges that simulated real-world web application vulnerabilities with minimal cost. These successes encompassed exploits like authentication bypass, IDOR, stored XSS, S3 bucket takeover, and AWS IMDS SSRF, highlighting AI's capability for multi-step reasoning and rapid pattern recognition.
Open publisher sourcenews.google.com · Jun 10, 2026 12:30
Anthropic study shows AI needs hours, not weeks, to build exploits from security patches the-decoder.com
Open publisher sourcethehackernews.com · Sep 17, 2026 16:20
Attackers now weaponize new vulnerabilities in about five days (Mandiant, part of Google Cloud). The median organization takes 43 days to patch one (Verizon DBIR 2026). A new free guide explains how autonomous AI agents are closing that gap, and what security leaders must demand before pointing one at production. TL;DR Exploitation is now the front door. It starts 31% of breaches (Verizon DBIR
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