Severity: HighAction: Be aware

Threat actors use agentic AI tooling to find and abuse exposed secrets

Microsoft Threat Intelligence has observed threat actors using the agentic offensive security framework ARTEX to search GitHub for OAuth application secrets, which can be used to compromise the associated OAuth application and perform authenticated actions in the application’s tenant. Agents operating on behalf of threat actors then used the compromised OAuth applications to perform a variety of subsequent actions…

Excerpt from the primary source: Microsoft Security Blog & MSRC

Who is affected

Developers · Security professionals

Affected technology: GitHub

What you should do · Be aware

No immediate action is indicated. Share this with the relevant teams and watch for updates.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

We link to original and authoritative sources. Headlines and excerpts belong to their publishers.

Vendor advisory

Threat actors use agentic AI tooling to find and abuse exposed secrets Microsoft Security Blog & MSRC · microsoft.com · Nov 5, 2026 · Primary source
Severity: HighAction: Be aware

Hugging Face malware campaign returns to hijack GPUs for crypto mining

A crypto-mining campaign abusing Hugging Face models returned days after takedown, hijacking GPU servers and planting backdoors, with one model downloaded over 28,000 times. Separately, a fake Solana starter kit on GitHub is positioned to trick AI coding agents into installing a NetSupport RAT.