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Apparently, opening the thing is now enough. A repo can run before the first prompt, a package can hide among hundreds, and a harmless-looking PDF can finish the job. This week runs on cheap leverage: exposed servers, recycled bugs, poisoned agent instructions, remote-access tools dressed as support software, and trusted defaults doing attackers a favor. Nothing here is especially mystical. Just ordinary systems trusting slightly too much, slightly too early. The full list follows. The threats change every week. Subscribe, and we’ll alert you when each new ThreatsDay Bulletin is out.

Security flaws in agent infrastructure from Amazon Web Services (AWS), Google, and Vercel let untrusted or forged instructions reach an agent's tools with no check that a model turn had authorized them. In several of the attack paths, the model never ran at all, so system prompts, content filters, and model-level guardrails never got a chance to intervene. The affected products include Amazon Bedrock AgentCore's InvokeHarness API, Google's Agent Development Kit (ADK) for Python, and the Vercel AI SDK harness packages for the Codex and OpenCode coding agents. AWS has fixed the managed service, Google addressed the issues in ADK 2.5.0, and Vercel patched @ai-sdk/harness-codex in version 1.0.29 and @ai-sdk/harness-opencode in version 1.0.28. These are not identical vulnerabilities and do not share the same attack conditions. AWS involved an authenticated remote request, Google's paths required attacker-controlled session events or user-authored function calls, and V...

Connor Riley Moucka pleaded guilty in Seattle federal court on Wednesday to computer fraud, wire fraud, aggravated identity theft and a related conspiracy over the 2024 breaches of Snowflake customer accounts . The intrusions reached at least 165 organizations and exposed records belonging to at least 100 million people. Moucka, 26, of Kitchener, Ontario, personally took at least $495,000 from ransoms and data sales. He is due to be sentenced on October 27 and faces a two-year mandatory minimum on the identity theft count and up to 30 years on the rest. What got the attackers in was old passwords. The credentials had been harvested years earlier by infostealer malware and never rotated, and the accounts had multi-factor authentication (MFA) switched off. No exploit, no flaw in the platform. The Justice Department has never named the company, in Wednesday's announcement or in the October 2024 indictment, identifying the victim only as a U.S. software-as-a-service (SaaS) pr...

Cybersecurity researchers have discovered more than half-a-dozen services advertisements for illegal access to artificial intelligence (AI) models on underground cybercrime forums and messaging platforms. One such service, Poison Claude, claims to offer access to Anthropic's large language models (LLMs), including Opus 4.8, Opus 4.7, Opus 4.6, and Sonnet 4.6. "Advertisements for Poison Claude explain how the service can offer the cheap tokens: by taking advantage of free bonus credits, such as the US$100 bonus credit on AWS for Bedrock accounts," Okta researchers Jeremy Kirk and Mathew Woodyard said in an analysis published Tuesday. "The service plainly states on its website that: 'We add those accounts to our pool, your request is routed to a specific account under the hood (you don't see this), and you get charged 5-15% of the official per-token price depending on the model.'" Poison Claude accepts payments in cryptocurrencies. Once a cus...

HashiCorp, Veeam, and the Django Software Foundation have patched 11 vulnerabilities across Terraform MCP Server, Veeam Service Provider Console, and Django. The three most serious: An unauthenticated flaw in Veeam's console that hands over a managed agent's credentials, rated 9.5 A cross-tenant flaw in HashiCorp's MCP server that lets one user's Terraform token be reused for later users' requests, scored a maximum 10.0 on its CVE record A flaw in GeoDjango's spatial lookups that can write a file to disk and, on some setups, run code, reachable by a staff user with view permission on a registered model containing a spatial field Each has a fix available now. Operators should update Terraform MCP Server to version 1.1.0 or later, Veeam Service Provider Console to 9.3.0.35057, and Django to 6.0.8 or 5.2.17. Exposure is configuration-dependent: HashiCorp's bugs affect Streamable HTTP rather than stdio, Veeam's flaws affect version 9 build...

Kali365 is turning a legitimate Microsoft login into a gateway to corporate data. The phishing kit targets US organizations with attacker-controlled device codes that victims approve on Microsoft's real authentication page. Once access and refresh tokens are issued, attackers may retain access to email, documents, and cloud resources, creating a direct path to data exposure, financial fraud, operational disruption, and costly incident response. How Kali365 Targets US Organizations Kali365 is a device code phishing kit built to abuse legitimate Microsoft authentication. ANY.RUN telemetry records more than 80 public sessions linked to the campaign each week, with the United States emerging as its main geographic target. One of these sandbox sessions shows a SharePoint-themed lure used to draw the victim into the authentication flow. View the analysis session and gather IOCs SharePoint-themed Kali365 lure analyzed inside ANY.RUN’s Interactive Sandbox Based on the resear...

GitGuardian researchers found 321 n8n instances accepting API tokens exposed in public GitHub commits and demonstrated four ways attackers could use them to access sensitive data and downstream credentials without exploiting a software vulnerability. We scanned public GitHub commits for exposed n8n API tokens and identified 4,576 unique credentials associated with 1,255 hostnames. Of the 896 instances reachable at the time of testing, 321 accepted at least one leaked token. That means leaked credentials provided authenticated access to 36% of the reachable instances we tested, or roughly 26% of all hostnames identified in the commits. The implications extend well beyond n8n. Organizations use the automation platform to connect databases, source code repositories, cloud environments, artificial intelligence services, customer support platforms, and other internal systems. A sufficiently privileged n8n token can expose workflow definitions and execution data, allow attackers to us...

The commercial phishing-as-a-service (PhaaS) toolkit known as Greatness has become the latest crimeware solution to add support for device code phishing, a rapidly growing cyber threat that abuses the legitimate OAuth 2.0 Device Authorization Grant to bypass Multi-Factor Authentication (MFA) and seize control of user accounts. "Greatness supports AiTM [adversary-in-the-middle] credential and token theft, device code phishing, and OAuth consent abuse, all from the same operator panel and shared backend infrastructure," ZeroBEC said in a report shared with The Hacker News detailing the PhaaS kit's latest capabilities. "The platform now supports AiTM token theft, device code phishing, OAuth consent abuse, and multiple target platforms, including iCloud, Yahoo, and Google Workspace. This evolution reflects the broader trend of PhaaS platforms expanding from simple credential harvesting to integrated attack ecosystems." The phishing platform was first pu...

Cybersecurity researchers have disclosed details of an active, multi-wave campaign that employs social engineering lures themed around Adobe and Zoom software updates, business document reviews, and system maintenance utilities to stealthily deploy Remote Monitoring and Management (RMM) programs like ConnectWise ScreenConnect. The campaign has been codenamed SMOKE#SCREEN by Securonix Threat Research. "The campaign relies on a toolkit of VBScript droppers, batch file loaders, compiled .NET executables and an HTML phishing page, all ultimately pointing to a live WsgiDAV-based staging server at 207.174.0[.]143:8080," researchers Shikha Sangwan, Akshay Gaikwad, and Aaron Beardslee said in a report shared with The Hacker News. Successful attacks culminate with a ScreenConnect agent installed and beaconing to one of three attacker-controlled relay servers, providing the attackers with persistent remote access to compromised systems. The activity has not been attributed to ...

The cybersecurity industry has spent decades assuming that offensive capability scales with technical expertise. That assumption is starting to break. Security teams have long estimated risk by ranking attacker sophistication. Nation-state actors sat at one end. Organized criminal groups followed. Inexperienced attackers, dismissed as "script kiddies," sat at the other end, running public tools they didn't fully understand. Generative AI is collapsing that ranking. The next generation of attackers won't necessarily bring years of exploit development or reverse engineering experience. Instead, they'll use AI to close knowledge gaps by accelerating research, explaining unfamiliar concepts, generating code, troubleshooting errors, and adapting known techniques to new environments. The barrier to entry is dropping fast. The Economics of Cyberattacks Are Changing Every major technology shift changes economics as it changes the solutions we rely on. Clo...

Google deleted three AI agent workflows from its Agent Development Kit (ADK) Python repository. Pillar Security showed that a public GitHub issue could manipulate a triage agent into triggering a privileged code-fixing agent. The researchers said the public agent could be prompt-injected into posting /adk-issue-fix as adk-bot . They identified the bot as a collaborator, so that comment satisfied the privileged workflow's owner, member, or collaborator gate. The trusted bot identity became the authorization bridge. The team demonstrated arbitrary code execution on the continuous integration (CI) runner and exfiltration of the bot personal access token (PAT). The privileged job also held a Google API key and a Google Cloud service-account credential. Its researcher-controlled proof-of-concept attacks do not identify in-the-wild exploitation or a compromised ADK release. The exposed component was the repository automation, not a flaw in the distributed ADK Python package. Fo...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a high-severity security flaw impacting N-able N-central to its Known Exploited Vulnerabilities ( KEV ) catalog following reports of active exploitation in the wild. The vulnerability, tracked as CVE-2026-18577 (CVSS score: 8.2), is a case of incomplete patching for CVE-2026-18556 (CVSS score: 8.2) that allows authentication bypass and account takeover in susceptible versions of the software. The issue has been addressed in version 2026.3 HF1. "N-able N-central contains an authentication bypass using an alternate path or channel [that] allows for authentication bypass and account takeover in N-central," CISA said. Successful exploitation of the vulnerability can permit remote attackers to gain administrative access to vulnerable N-central servers and then abuse the built-in Take Control feature to pivot into managed endpoints and deploy persistence mechanisms. N-able has shared the fol...

This week kept coming back to permission. A model crossed a boundary. A wallet trusted bad randomness. Webmail kept an intruder around. Public systems, package feeds, hotel networks, and login flows all gave away more than intended. Some of it was clever. Most of it was just access left lying around: old bugs, exposed gear, poisoned dependencies, weak defaults, and tooling that moved from forum chatter to real targets. The full weekly recap report follows. ⚡ Threat of the Week Anthropic Disclosed its Models Targeted 3 Organizations - Anthropic revealed that three of its models, including Claude Opus 4.7, Mythos 5, and an unnamed research model, breached three unnamed organizations during cybersecurity testing without its knowledge. The AI firm said the earliest incidents date back to April 2026, adding it made the discoveries after launching a "large-scale retrospective review" in response to the recent Hugging Face incident. "After reviewing 141,006 evaluatio...

The Police National Legal Database (PNLD) has confirmed that police, government and customer contact information was compromised and published on the dark web. The data included names, organisations and work email addresses belonging to police officers, police staff, criminal justice professionals, government partners and customers. The incident, identified on July 26, also exposed some names and email addresses belonging to people who had submitted questions through Ask the Police. That exposure could make phishing messages targeting named officers appear more convincing, according to UK government guidance . PNLD said, "There is no evidence to suggest that passwords or other security credentials have been compromised." The service provides legal information, products and services to UK police forces and criminal justice organisations. It is not the Police National Computer or the Police National Database, is not a crime-recording system, and does not hold confidentia...

A fake browser update served over hijacked hotel Wi-Fi has been used to deliver CornFlake , a remote access trojan (RAT) that can capture webcam images, microphone audio, and keystrokes, Microsoft said in its latest report. Researchers track the operation as CaptiveCrunch and attribute it to Storm-2945 . It assesses Storm-2945 to be an operational sub-cluster of Midnight Blizzard , also known as APT29 and Cozy Bear. The U.S. and U.K. governments attribute the broader actor to Russia's Foreign Intelligence Service (SVR). On the compromised networks ReliaQuest investigated, the captive portal gateway also served as the DNS resolver assigned to connected devices. Administrative control of that gateway let the attackers forge Domain Name System (DNS) answers and redirect the resulting traffic. They could then redirect a laptop's automatic connectivity check to a fake browser or operating system update. Some pages use ClickFix instructions that tell victims to open a termina...

An academic study has disclosed a "widespread class" of security vulnerabilities impacting 4G and 5G core networks that, if successfully exploited, could trigger denial-of-service (DoS) attacks and even session hijacking, allowing an attacker to seize control of a user's network session. The findings have been released by a group of researchers from Singapore's Nanyang Technological University in a paper titled "Understanding Implicit Trust Errors in Core Carrier Networks through Multi-Agent Flaw Discovery and Analysis." The study has uncovered dozens of vulnerabilities in the signaling interfaces of LTE/5G core networks, and specifically covers two LTE implementations (Open5GS and OpenAirInterface) and five 5G implementations (Open5GS, free5GC, OpenAirInterface, SD-Core, and eUPF) across two core signaling protocols, GPRS Tunnelling Protocol Control Plane ( GTP-C ) and Packet Forwarding Control Protocol ( PFCP ). "Our research finds these vulne...

Device code phishing - the abuse of the OAuth 2.0 device authorization grant to steal access tokens - has evolved from a niche red-team technique to an industrial-scale threat in under six months. Designed for input-constrained devices like smart TVs, printers, and so on, the device authorization login flow has been adopted by a wide range of apps and use-cases that it wasn't originally intended for - most commonly CLI logins. Researchers first described the attack vector in 2020, but it took until 2024 before nation-state actors like Storm-2372 started using it in the wild. By 2025, ShinyHunters was using device code phishing against Salesforce tenants at scale, then in February 2026, the EvilTokens kit arrived and criminal adoption skyrocketed. By April, Microsoft was reporting 10 to 15 entirely new campaigns every 24 hours . Barracuda counted 7 million attacks in four weeks . The FBI issued a standalone advisory on Kali365 , the first US federal agency PSA about a specif...

Anthropic on Thursday became the latest artificial intelligence (AI) company to reveal that three of its models, including Claude Opus 4.7, Mythos 5, and an unnamed research model, had breached three unnamed organizations during cybersecurity testing without its knowledge. The AI firm said the earliest incidents date back to April 2026, adding it made the discoveries after launching a "large-scale retrospective review" in response to a recent disclosure from OpenAI that a combination of its models escaped the sandboxed environment by exploiting a previously unreported zero-day in Artifactory to obtain internet access and break into Hugging Face's production systems with an end goal to cheat on an evaluation. "After reviewing 141,006 evaluation runs where Claude could have obtained internet access, we identified three incidents in which a model accessed the internet from within or while interacting with the evaluation environment of Irregular, one of our third-...

Threat actors with ties to North Korea have been attributed to a sophisticated macOS malvertising campaign that involves redirecting users to fake web pages displaying a full-screen non-existent update sequence to deliver malware as part of a new iteration of the long-running Contagious Interview campaign. The defining aspect of the attack is that bogus macOS software update screen stealthily copies an attack command to the clipboard and then prompts the victim to execute it via the Terminal app, a known technique referred to as ClickFix . "The experience is designed to induce panic," AllSecure said in a report shared with The Hacker News. "The computer appears frozen or rebooting, so a user who believes the OS has failed follows instructions they would otherwise find suspicious." The campaign is also noteworthy for its use of blockchain-hosted command-and-control (C2), with the malware extracting the live server address from an Ethereum smart contract. Thi...

A lot of security still comes down to trusting the wrong screen. This week, that screen might be a login page, an install guide, a recruiter call, or a familiar service behaving slightly wrong. Behind it: reused credentials, exposed systems, quiet loaders, abused trust, and exploit paths that should have been harder. Some defenses improved. The loose parts still got found first. Anyway, here's the mess. The threats change every week. Subscribe, and we’ll alert you when each new ThreatsDay Bulletin is out.