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OpenAI patches security flaws after Anthropic's Claude aids breach of employee accounts

Market News
18 Sep 2026
Proactive Investors
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Bearish
OpenAI patches security flaws after Anthropic's Claude aids breach of employee accounts

OpenAI fixed security vulnerabilities after researchers from Hacktron AI used Anthropic's Claude AI models to exploit two linked flaws. The first was a heap buffer overflow in an image-processing library allowing remote code execution via a malicious image on OpenAI's forum. The second was a single sign-on misconfiguration that let the researchers hijack employee ChatGPT accounts, gaining access to internal code repositories on GitHub. OpenAI rewarded the researchers $6,500 for reporting the single sign-on issue and confirmed the vulnerabilities have been resolved, highlighting ongoing risks in AI and software security.

The OpenAI employee account breach story provides context for readers following the Technology sector. For readers following Technology stocks, here is Pluang's market snapshot as of Sep 18, 2026 21:31 WIB: out of 150 priced US Technology stocks, 36 rose and 113 fell. Notable movers include VNET at USD 6.35 with a 4.27% increase and Lam Research Corporation (LRCX) at USD 280.59 with a 4.19% gain.

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