Palo Alto Unit 42 research uncovered a fundamental flaw in the AI supply chain that allows attackers to gain Remote Code Execution (RCE) and additional capabilities on major platforms like Microsoft’s Azure AI Foundry, Google’s Vertex AI and thousands of open-source projects. We refer to this issue as Model Namespace Reuse.
Hugging Face is a platform that enables AI developers to build, share and deploy models and datasets. On that platform, namespaces are the identifiers of models, which are Git repositories that are stored on the Hugging Face hub. Hugging Face models contain configurations, weights, code and information to enable developers to use the models.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Phone location data of top EU officials available for sale
November 4, 2025
Journalists in Europe found it was “easy” to spy on top European Union officials using commercially obtained location histories sold by data brokers, despite the continent having some of the strongest data protection laws in the world. EU officials said they’re “concerned” about the trade of citizen and officials’ mobile phone location data, and have issued ...
- SesameOp: Novel backdoor uses OpenAI Assistants API for command and control
November 3, 2025
Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications. Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as ...
- University of Pennsylvania says it has called FBI over data breach
November 3, 2025
The University of Pennsylvania says it has called in the Federal Bureau of Investigation after offensive emails were distributed to alumni. In a statement, the university said that a data breach had affected “select information systems.” An email sent to University of Pennsylvania alumni on Friday and reviewed by Reuters showed that someone masquerading as the ...
- US government warns Linux CVE-2024-1086 flaw is now being exploited for ransomware attacks
November 3, 2025
The US government is warning that a Linux flaw introduced more than a decade ago – and fixed more than a year ago – is being actively used in ransomware attacks. In February 2014, a vulnerability was introduced into the Linux kernel via a commit. The bug was first disclosed in late January 2024, and described ...
- Chicago firm that resolves ransomware attacks had rogue workers carrying out their own hacks
November 2, 2025
Rogue employees of a Chicago company that specializes in negotiating ransoms to mitigate cyber attacks were carrying out their own piracy in a plot to extort millions of dollars from a series of companies, prosecutors say. Kevin Tyler Martin, a ransomware threat negotiator for River North-based DigitalMint at the time of the alleged conspiracy, was among ...
- Update Chrome now: 20 security fixes just landed
October 31, 2025
Google has released an update for its Chrome browser that includes 20 security fixes, several of which are classed as high severity. Most of these flaws were found in Chrome’s V8 engine—the part of Chrome (and other Chromium-based browsers) that runs JavaScript. Chrome is by far the world’s most popular browser, used by an estimated 3.4 ...
