STONE-KNIGHT SECURITY

The Canadian Centre for Cyber Security has warned that a now-patched Roundcube Webmail vulnerability is being actively exploited in the wild. The vulnerability in question is CVE-2026-48842 (CVSS score: 8.1), a pre-authentication SQL injection in the virtuser_query plugin of Roundcube Webmail versions 1.6.x before…

Tracked as CVE-2026-48842, the exploited bug is an SQL injection that can be exploited without authentication. The post Roundcube Webmail Vulnerability in Attackers’ Crosshairs appeared first on SecurityWeek .

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on Thursday, added two critical security flaws impacting WSO2 and Adobe Commerce and Magento to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The vulnerabilities are listed below - CVE-2026-5430 (CVS…

Added to KEV 2026-09-24. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-24. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-22. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-22. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-22. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-22. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-21. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-18. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-18. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-18. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-16. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-14. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Added to KEV 2026-09-11. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or…

Three vulnerabilities in Salesforce Agentforce allowed hackers to hijack trusted agents, steal data, and launch phishing attacks. The post ‘SalesBleed’ Flaws in Salesforce Agentforce Enabled Zero-Click Data Exfiltration appeared first on SecurityWeek .

Agentic AI can smuggle arbitrary instructions from the Web, across multiple apps, into trusted internal communications channels.

A new variant of the MacSync malware targeting macOS systems now uses public iCloud calendar events to deliver new native payloads. [...]

The latest activity from the remote access Trojan (RAT) shows why organizations should monitor the behavior of applications rather than blindly trusting them, experts say.

A new botnet malware called Carbonato is targeting insecure hosts running Docker daemons to install the Hermes Agent AI framework and take control. [...]

This installment of the Reporters' Notebook video series discusses the impact of AI agents breaching Hugging Face, Fairlife's ransomware attack, and Iranian-linked threat actors compromising a dozen US water systems. It was a busy summer.

An active ClickFix campaign has been observed compromising legitimate Ukrainian business websites to inject bogus Cloudflare verification pages and trick victims into downloading a previously undocumented information stealer called Psychedelic. "When a visitor interacts with the page, the lure copies a Windows…

A threat actor is using three AI harnesses for vulnerability research, exploitation, and attack orchestration. The post AI-Powered Campaign Targets Hundreds of Online Retailers appeared first on SecurityWeek .

The logistics sector has become the target of a new malicious cyber campaign that distributes an Android spyware codenamed Corp MDM. According to Have I Been Squatted, the campaign uses fake Google Play pages branded as CEVA and TKW Logistics to distribute an Android Package Kit (APK) file that's dressed up as a…

​The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies on Wednesday that ransomware gangs are now also exploiting a critical JetBrains TeamCity vulnerability patched in July. [...]

ClickFix has become the most common way attackers get into enterprise networks, and it does it without an exploit, an attachment, or a file on disk. Our new global threat report traces the technique from a novelty in late 2023 to a subscription product with on-chain infrastructure and a state-sponsored user base, and…

Cybersecurity researchers have disclosed details of an active TeamFiltration campaign codenamed UNK_CondorFiltration that has targeted over 5,700 accounts across 28 Microsoft 365 tenants. According to Proofpoint, the activity has primarily focused on Chilean retail and financial institutions. It originated from 1,487…

Threat actors are poisoning ChatGPT, Gemini, and Google AI Overview answers by seeding the Web with malicious links and data and then optimizing the content.

Researchers show that file-change notification systems can leak keystroke timing, browsing activity, and WhatsApp media events. The post Windows, Linux, Android File Notification Systems Leak User Activity appeared first on SecurityWeek .

​Cryptocurrency exchange Bitget disclosed today that suspected North Korean hackers have stolen $351.6 million from its hot and warm wallets. [...]

U.S. Sens. Mark Warner (D-VA) and Ted Cruz (R-TX) introduced the Telecommunications Cybersecurity and Resilience Act on Thursday, arguing that the new effort was necessary in light of the Salt Typhoon attacks which saw Chinese hackers breach nearly all of the major telecommunications giants in the U.S.

This week, the dangerous stuff keeps arriving dressed as something boring. An update. A login box. A search answer. A coding tool. A link you have clicked a hundred times before. That is the thread running through the pile. Trusted paths get poisoned. Old bugs find new jobs. AI tools leak more than expected. Fake…

Private GitLab email addresses that allow developers to push issues or tasks to a project are being deliberately exposed in READMEs, contributing guides, and support pages used to collect bug reports. [...]

Australia disclosed that an OpenAI agent gained unauthorized access to non-public government information. The post OpenAI Agents Probed Websites for Vulnerabilities While Fetching Public Data appeared first on SecurityWeek .

Even if the organization locks down employee accounts, forgotten and lost service accounts can still undo the organization's entire M365 environment.

The healthcare firm Astrana warned regulators that hackers accessed confidential information by impersonating company personnel.

AI coding agents are changing how quickly developers can build and ship software as well as how quickly credentials can become exposed. According to GitGuardian’s 2026 State of Secrets Sprawl Report, commits identified as AI-assisted are leaking secrets at approximately twice the rate of human-written ones. Most of…

Authorities in Australia have arrested two men believed to be members of TeamPCP, a prolific cybercrime and data extortion group blamed for perpetrating the longest running spree of software supply chain attacks ever. In a statement released today, the Australian Federal Police (AFP) said two unnamed suspects from…

Microsoft has confirmed that some users may experience desktop loading issues, including black screens, after installing the August 2026 preview updates and subsequent updates. [...]

A storm is raging in the form of cyber sabotage, disinformation, and drone attacks on European nations, particularly those that provide material support to Ukraine.

A flaw in Cloudflare Containers let a paying customer read data that other customers' containers had left behind on the same server, Cloudflare and the researchers who found it said on Thursday. The data came from disk space that earlier containers had used and given up, not from any live workload, and an attacker…

The prospect of legal accountability is unclear. Lawsuits are a possibility, but some legal experts believe any criminal investigations would face an extremely high burden. The post Autonomous AI Hacks Raise Thorny Questions of Legal Accountability appeared first on SecurityWeek .

Two executives at a data extraction and digital forensics company that sold several U.S. agencies its software were arrested for allegedly lying about the fact that its technology is made in Russia.

Ardit Kutleshi, 28, was extradited from his home country of Kosovo last year after prosecutors accused him and his older brother of running Rydox — an illicit platform used by cybercriminals to sell stolen personal information, illegal access to devices and other tools for carrying out fraud.

A OnePlus 15 running the latest OxygenOS can be rooted by a malicious app the owner installs, one that asks for no special permissions. A researcher, Rasmus Moorats, chained two flaws in OnePlus's own software to gain root access, the highest level of control over an Android phone. OnePlus told him the same flaws…

The startup’s runtime enforcement platform evaluates AI agents in real time to provide visibility and control over their actions. The post Kontext Security Emerges With $4 Million for AI Agent Runtime Controls appeared first on SecurityWeek .

The "third-party[.]com" domain, commonly used as a documentation placeholder, has been observed serving a ClickFix lure to Windows browsers while displaying a harmless decoy to other users. "third-party[.]com has been a generic documentation placeholder for years, the same role example.com plays," Manifold Security's…

Keeping edge computing safe requires organizations to fundamentally rethink security governance. Here is a path forward: a step-by-step guide to building a SASE framework.

FedRAMP's new VDR and VER requirements make vulnerability management more continuous, with faster scanning, tighter remediation deadlines, and stronger evidence requirements. Anecdotes explains why the December 7 deadline is just the beginning of a broader shift toward continuous, automated compliance validation. [...]

At least four internet providers serving Kyiv and other parts of Ukraine suffered partial connectivity losses following Wednesday’s drone attack, according to internet monitoring group NetBlocks.

A high-severity Roundcube Webmail vulnerability patched in May is now being actively exploited in attacks, according to the Canadian Centre for Cyber Security. [...]

AI apps that interpret external data (read: most AI apps) need exceptionally rigorous security filters, or attackers can take advantage.

Microsoft released the KB5124010 September 2026 non-security preview update for Windows 11 24H2 and 25H2, with 46 changes including Bluetooth improvements and the ability to remap the Copilot key. [...]

The enterprise security firm has raised more than $1 billion since its launch in 2020; Evolution Equity Partners led the latest funding round. The post Island Raises $400 Million at $6.4 Billion Valuation appeared first on SecurityWeek .

Revision 4 of NIST’s operational technology security guide is open for public comments until November 30. The post OT Security Guidance: NIST Drafts Updated Guide, CISA/FBI Advise on ICS Integrators appeared first on SecurityWeek .

Agentic remediation is not an act of faith. We are talking about fixing known problems, not judgment calls about unfamiliar risk. The post Begin at the End: How to Enable Agentic Remediation appeared first on SecurityWeek .