Anthropic’s Claude Opus 5.5 appears to be changing how it writes, with new analysis showing fewer obvious AI writing patterns, shorter sentences, and simpler wording compared with Opus 5. […]
Microsoft pauses KB5002907 update after Office license deactivations
Microsoft has paused the rollout of the KB5002907 Microsoft 365 update after users report that it deactivated, or in some cases completely removed, perpetual Office 2016 and Office 2019 installations. […]
GitHub Actions re-enabled with Mini Shai-Hulud payload still active
Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still pointing to malicious code. […]
OpenAI’s AI agents accidentally uploaded user-provided images to third-party sites
OpenAI says its AI agents uploaded user-provided images to third-party image-hosting services while carrying out research and evaluation tasks. […]
New x47.c Windows Botnet Weaponizes xAI Grok, AI API Draining
The Windows botnet relies on AI to maintain persistence, using xAI Grok to choose from predefined actions.
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Attackers Bypass WAFs to Exploit Oracle PeopleSoft Flaw and Deploy Web Shells
Google is warning of renewed mass exploitation of a known security vulnerability in Oracle PeopleSoft as part of a campaign targeting multiple sectors globally.
The ShinyHunters-linked activity involves the weaponization of CVE-2026-35273 (CVSS score: 9.8), a critical security flaw that could result in unauthenticated remote code execution.
The vulnerability was first exploited as a zero-day
Zero Trust for AI Agents Starts With Fixing Zero Visibility
The way we talk about AI agents is shifting, and the way we implement them requires an even more fundamental shift. While earlier discourse focused on how quickly organizations could stand up agents and how much productivity they could promise, a string of recent incidents, including a widely discussed intrusion at Hugging Face during an evaluation of OpenAI agents, has spurred organizations to
OpenAI Says Its Models Engaged With US Government Websites in New Model Misbehavior Disclosure
OpenAI’s CEO said there is an “extensive and ongoing review related to our agents’ use of internet access during training and evaluation.”
The post OpenAI Says Its Models Engaged With US Government Websites in New Model Misbehavior Disclosure appeared first on SecurityWeek.
Elementor CSRF Flaw Lets Attackers Take Over Sites After Admin Clicks Crafted Link
Details have emerged about a high-severity security flaw in the Elementor Website Builder WordPress plugin that could be exploited by an unauthenticated attacker to create rogue administrator accounts and take control of a site.
The cross-site request forgery (CSRF) vulnerability, which has yet to be assigned a CVE identifier, carries a CVSS score of 8.8 out of 10.0. It only affects versions
SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Microsoft SharePoint and Mikrotik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.
The vulnerabilities in question are as follows –
CVE-2026-65660 (CVSS score: 8.8) – A code injection vulnerability in Microsoft Office SharePoint