Incident Archive: 2026

Identity visibility is a starting point for modern identity security, because stolen and misused credentials are among the most frequently reported initial access vectors in breach research, including Verizon's annual Data Breach Investigations Report. This article explains what identity visibility means in IAM, why cloud and multicloud environments complicate it, which capabilities matter in

Three-Person Team Uses Claude to Breach OpenAI's Core Codebase; $6,500 Bounty Triggers AI Security Alarm finance.biggo.com

Microsoft has released fixes for a maximum-severity security flaw in Azure AI Foundry that could be exploited to achieve privilege escalation. No customer action is required. The vulnerability, tracked as CVE-2026-85889, carries a CVSS score of 10.0. "Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network,"

A financially motivated threat actor has been linked to the development and distribution of a JavaScript (JS)-based information stealer known as PhantomRaven via the npm package registry. "The developer likely wrote the malware using a large language model (LLM), an assessment made with high confidence based on verbose comments, placeholder code, and statistical token-analysis patterns,"

AI-driven cyberattacks used to be exotic. Soon, it'll be odd if threat actors aren't using agents to do all of their bidding.

The AI Security Problem Is Bigger Than the Hugging Face Breach HackerNoon

Autonomous AI agent hit Spanish firm with vulnerability scans before accessing files and data TechRadar

Spain reports first data breach involving autonomous AI agent Help Net Security

Anthropic has warned that cybercriminals and state-sponsored hackers alike are using its Claude models for cyber attacks, weapons design, propaganda, and mass surveillance between December 2025 and August 2026. The threat actors, which the artificial intelligence (AI) company has branded Generative Threat Groups (GTGs), span state-sponsored groups, financially motivated criminals, commercial

Anthropic on Thursday revealed it disrupted a campaign mounted by a Russian state-sponsored threat actor that abused Claude for developing an AI-assisted workflow to get ahead of the detection curve. The operation has been attributed to a cyber espionage group it calls GTG-20006 (where "GTG" stands for Generative Threat Group), which aligns with broader reporting linking the cluster to Midnight

Threat actors are abusing trusted AI platforms to host malicious content, poison search results, and trick users into installing malware. Huntress examines campaigns targeting AI users through weaponized Claude Artifacts, shared AI conversations, sponsored search results, and ClickFix-style lures. [...]

A threat actor, likely Russian-speaking, used hundreds of AI agents to develop and launch a global exploitation campaign targeting vulnerable PaperCut NG/MF servers. [...]

A suspected Russian-speaking cyber actor has been attributed to the use of artificial intelligence (AI) to devise exploits targeting a recently disclosed pair of security flaws in PaperCut NG/MF and break into hundreds of instances. According to independent reports from Blackpoint Cyber and GreyNoise, the activity originates from "45.142.193[.]132," an IP address that has been linked to

Adobe on Monday released security patches to address a maximum-severity flaw impacting Adobe Commerce and Magento Open Source that has come under active exploitation in the wild. The vulnerability, now tracked as CVE-2026-75650 (CVSS score: 10.0), has been codenamed StyleSmuggler by Sansec, which discovered zero-day exploitation starting September 4, 2026. "This update resolves a critical

Attackers are exploiting a new unpatched vulnerability in Magento Open Source and Adobe Commerce that lets them run malicious code on an online store's server without logging in, Dutch e-commerce security company Sansec said in an advisory published on September 5. Sansec, which discovered the flaw and named it StyleSmuggler, said attacks started on September 4. "Sansec is

Threat actors are exploiting two critical security flaws in WordPress plugins Super Forms and Elementor Pro, according to findings from Wordfence. The vulnerabilities in question are - CVE-2026-14894 (CVSS score: 9.8) - A missing file type validation vulnerability in Super Forms – Drag & Drop Form Builder that allows unauthenticated attackers to upload files of any type, including

Forescout Research - Vedere Labs said it used Anthropic's Claude to port a working pre-authentication remote code execution (RCE) exploit from one WAGO programmable logic controller (PLC) to another, executing attacker-supplied ARM shellcode on live hardware. The exploit targets CVE-2021-31886, a stack-based buffer overflow in the Nucleus FTP server's handling of the USER command

Threat actors are exploiting an unauthenticated remote code execution vulnerability (CVE-2026-0768) in Langflow, an open-source framework for building AI applications, to steal credentials, tokens, and keys. [...]

The AI giant is logging customers out of their accounts and removing payment data to prevent unauthorized Claude usage. The post Anthropic Warns Claude Users of Infostealer Malware Infections appeared first on SecurityWeek.

A critical vulnerability, CVE-2025-12420 (CVSS 9.3), was patched in ServiceNow's AI platform, allowing unauthenticated user impersonation and unauthorized actions. Furthermore, researchers identified that default configurations in Now Assist AI Agents could facilitate "second-order prompt injection" attacks, enabling low-privileged users to exploit inter-agent communication for data access and privilege escalation.