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The Rust Project has deleted malicious versions of three widely used Rust crates from crates.io after a compromised maintainer account published releases that added a typosquatted dependency whose build script downloaded and executed a remote payload during compilation. The affected releases are arrayref 0.3.10, internment 0.8.7, and append-only-vec 0.1.9, all published from the same owner account on August 20, 2026, and all removed within 86 to 107 minutes. Because the malicious code sat in the build script of the injected dependency, building a project that resolved it was sufficient to run the payload, and nothing from the crates themselves had to be called. Developers are advised to search ~/.cargo/registry/cache for the deleted crate files and to pin arrayref at 0.3.9 or earlier, after the Rust Security Response Team unyanked the maliciously-yanked versions during the response. There is no patched version, no CVE identifier has been assigned, and the RustSec advisories ...

Three distinct suspected Russian cyber espionage threat clusters have been observed leveraging legitimate authentication flows to single out individuals working in academia, aerospace and defense, governments, and think tanks across Europe, as well as academia and think tanks within the U.S. These clusters include UNC6293 , UNC7005 , and UNC5976 . "These clusters engage in persistent, adaptive phishing campaigns, using sophisticated social engineering tactics to compromise personal accounts across multiple platforms," Google Threat Intelligence Group (GTIG) researchers Gabby Roncone and Wesley Shields said in a report published today. UNC6293, first detailed by the tech giant and the Citizen Lab in June 2025, is assessed to be a sub-cluster of Ice Relic (formerly APT29), which is also tracked under the monikers Cozy Bear and Midnight Blizzard. The hacking crew was previously attributed to a campaign that abused a Google account feature called application specific pas...

A lot of this week’s trouble starts with something trusted doing exactly what it was allowed to do. Signed drivers get turned against defenses. Legitimate apps help malware blend in. A weak header check opens a path to code execution. Elsewhere, exposed systems, old bugs, odd hiding tricks, and AI-assisted exploit research keep lowering the effort needed to cause damage. Nothing here needs much decoration. The small gaps are doing enough work already. The threats change every week. Subscribe, and we’ll alert you when each new ThreatsDay Bulletin is out.

The U.S. government on Wednesday warned of an "active threat" targeting critical infrastructure organizations in the country using artificial intelligence (AI)-generated exploit scripts. The activity is targeting Siemens S7 SeriesProgrammable Logic Controllers (PLCs) to conduct reconnaissance and capability development using AI-generated scripts disguised as legitimate monitoring tools. That said, the ongoing PLC targeting activity is assessed to be broader in scope than Siemens PLCs. "The actors leverage internet scanning services like Censys and ZoomEye to identify internet-exposed PLCs running outdated software or that are otherwise poorly protected," according to the advisory published by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Department of Energy (DOE), and Environmental Protection Agency (EPA). Targets of the activity include Critical Manufacturing, Energy, Wa...

Adversa AI has disclosed an attack technique that it says can cause xAI's Grok chatbot to send a user's name, approximate location, subscription tier, and the prompts from the ongoing conversation to an attacker-controlled server after the user asks it to summarize an ordinary web page. The AI security company, which has codenamed the technique "Cryptographic Context Injection ," said the transfer completed without a confirmation step and with no visible warning in its proof-of-concept demonstration. There is no patch, no CVE identifier, and no user-facing workaround, and the writeup does not report any exploitation in the wild. Asked which build was tested, Adversa told The Hacker News the target was the Grok web chat at grok.com running Grok 4.5 Fast, and that the attack was reproduced once on August 19, 2026. The writeup gives no success rate. The company said it has attempted the attack 20 times since June with a 40% success rate, and that the failures cam...

Cybersecurity researchers have disclosed a critical security flaw in isolated-vm , a popular open-source sandbox with more than 2,900 stars and 190 forks on GitHub, that could allow attackers to escape the confines of the isolated environment. The vulnerability (" GHSA-864f-rcv7-6rh4 "), which has yet to be assigned a CVE identifier, impacts all versions of the library before and including 7.0.0. It has been patched in versions 6.2.0 and 7.0.1 released earlier this month. Isolated-vm is a Node.js library for running untrusted JavaScript inside a V8 Isolate , an independent instance of the Google V8 JavaScript engine, allowing multiple sandboxed JavaScript environments to run concurrently without sharing data or interfering with each other. The npm package has witnessed nearly 1 million downloads over the past week. Because each V8 Isolate has a separate state and maintains its own heap, it is not possible to directly pass JavaScript objects from the main Node.js threa...

Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability. According to the cloud computing and virtualization technology company, the issues affect customer-managed NetScaler ADC and NetScaler Gateway, including certain FIPS and NDcPP builds, as well as SecurAccess ZTNA Hybrid deployments that use customer-managed NetScaler instances. It bears noting that the vulnerabilities do not apply to Citrix-managed cloud services or Citrix-managed Adaptive Authentication, as the necessary updates have already been applied. The list of impacted NetScaler versions is below - NetScaler ADC and NetScaler Gateway 14.1 BEFORE 14.1-73.32  NetScaler ADC and NetScaler Gateway 13.1 BEFORE 13.1-63.21  NetScaler ADC FIPS BEFORE 14.1-73.32 FIPS  NetScaler ADC FIPS and NDcPP BEFORE 13.1-37.277  The first of the two vulnerabilities is CVE-2026...