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Computer/Network Security

Breach intelligence, attack campaigns, and threat reports targeting the Computer/Network Security sector.

1289 threat reports
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Computer/Network Security Threat Reports

Showing 553–564 / 1289 reports
Understanding the 'Cordyceps' Vulnerability: A Threat to CI/CD Workflows
Computer Software/Engineering4 months ago

Understanding the 'Cordyceps' Vulnerability: A Threat to CI/CD Workflows

In June 2026, a critical vulnerability named 'Cordyceps' was identified, affecting Continuous Integration and Continuous Deployment (CI/CD) workflows across major platforms including Microsoft's Azure Sentinel, Google's AI Agent Development Kit, Apache's Doris analytics database, Cloudflare's Workers SDK, and the Python Software Foundation's Black. This flaw allows unauthenticated attackers to exploit automated workflows via malicious pull requests, potentially leading to command injection, privilege escalation, and full control over affected repositories. The attack vector leverages the inherent trust in pull requests and the automated processes that handle them, exposing millions of repositories to potential hijacking. ([darkreading.com](https://www.darkreading.com/application-security/cordyceps-malicious-pull-requests-developer-workflows?utm_source=openai)) The discovery of 'Cordyceps' underscores the escalating risks within software supply chains, particularly as agentic coding practices proliferate, reproducing insecure patterns across numerous repositories. Organizations are urged to audit and secure their CI/CD configurations to prevent unauthorized access and mitigate the risk of supply chain compromises.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
Malicious OpenClaw Skills Threaten AI Supply Chain
Computer Software/Engineering4 months ago

Malicious OpenClaw Skills Threaten AI Supply Chain

In June 2026, security researchers identified five malicious skills on ClawHub, OpenClaw's dedicated marketplace, that could steal credentials, bypass security scans, and perform other malicious activities for financial gain. These skills, appearing legitimate, demonstrated that such platforms are emerging as significant AI supply chain attack surfaces. ClawHub sells these skills to add functionality to the open-source AI agent, which has seen rapid adoption among developers and businesses since its launch last November. The malicious skills included infostealers targeting macOS, evasion techniques using inflated file sizes to bypass detection, and agentic threats like affiliate injection and front-running, all posing significant risks to organizations using OpenClaw. ([darkreading.com](https://www.darkreading.com/cyber-risk/malicious-openclaw-skills-clawhub-threaten-ai-supply-chain?utm_source=openai)) This incident underscores the growing threat of supply chain attacks within AI ecosystems, highlighting the need for rigorous verification frameworks and continuous monitoring of third-party extensions to prevent unauthorized access and data exfiltration.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(medium)
Read report
Critical macOS Vulnerability Allows Disabling of Security Tools Without Admin Credentials
Computer Software/Engineering4 months ago

Critical macOS Vulnerability Allows Disabling of Security Tools Without Admin Credentials

In June 2026, researchers at XM Cyber identified a macOS vulnerability that allows users with standard privileges to disable enterprise security tools and execute privileged functions without administrator credentials. This flaw exploits how macOS establishes and validates application trust information, enabling attackers to impersonate trusted application components and perform actions reserved for privileged processes. The technique was demonstrated to disable CrowdStrike Falcon Endpoint Detection and Response (EDR) and Kandji Mobile Device Management (MDM) without triggering alerts or requiring kernel exploits. The issue potentially affects other macOS applications that provide privileged Cross-Process Communication (XPC) services and rely on Apple's CDHash for verifying application authenticity. XM Cyber plans to release an open-source tool named XPC Hunter at Black Hat USA in August to help security researchers identify similar vulnerabilities across macOS applications. Apple has been notified but has not responded at press time. This vulnerability underscores the need for organizations to reassess their macOS security configurations and implement additional safeguards to prevent unauthorized access and manipulation of security tools.

High impact

Kill Chain

ICInitial Compromise(medium)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
OpenClaw AI Supply Chain Attack: A Wake-Up Call for AI Security
Computer Software/Engineering4 months ago

OpenClaw AI Supply Chain Attack: A Wake-Up Call for AI Security

In early 2026, the OpenClaw AI agent ecosystem experienced a significant supply chain attack. Malicious actors uploaded over 800 compromised skills to ClawHub, OpenClaw's official skill marketplace, embedding infostealers and enabling agentic financial fraud. This breach exposed more than 135,000 instances, highlighting critical vulnerabilities in AI agent platforms. The incident underscores the urgent need for enhanced security measures in AI supply chains, as attackers increasingly exploit these platforms to distribute malware and conduct sophisticated cyber operations.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(high)
IImpact(medium)
Read report
Cordyceps Vulnerabilities Threaten Over 300 GitHub Repositories
Computer Software/Engineering4 months ago

Cordyceps Vulnerabilities Threaten Over 300 GitHub Repositories

In June 2026, cybersecurity firm Novee identified a systemic class of vulnerabilities, dubbed 'Cordyceps,' within GitHub Actions workflows. These flaws enable unauthenticated attackers to hijack continuous integration and continuous deployment (CI/CD) pipelines by exploiting insecure configurations in YAML files. The vulnerabilities affect repositories from major organizations, including Microsoft, Google, Apache, Cloudflare, and the Python Software Foundation, potentially compromising software supply chains and exposing sensitive credentials. ([securityweek.com](https://www.securityweek.com/exploitable-ci-cd-vulnerabilities-expose-millions-of-repositories-to-hijacking/?utm_source=openai)) This incident underscores the escalating risks associated with CI/CD pipeline security, especially as AI-driven coding tools proliferate. Organizations must prioritize securing their development workflows to prevent similar supply chain attacks, which are becoming increasingly sophisticated and widespread. ([mallory.ai](https://www.mallory.ai/stories/019ef4cf-b141-7c22-b785-3b7e99e1c73f?utm_source=openai))

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(high)
Read report
LastPass Data Breach via Klue Supply Chain Attack in 2026
Computer Software/Engineering4 months ago

LastPass Data Breach via Klue Supply Chain Attack in 2026

In June 2026, LastPass experienced a data breach resulting from a supply chain attack on Klue, a third-party market intelligence platform integrated with LastPass's Salesforce environment. Attackers exploited compromised OAuth tokens obtained from Klue to access LastPass customer data, including names, phone numbers, email addresses, physical addresses, support case information, and sales-related data. Importantly, LastPass's core products, services, and customer vaults remained unaffected. ([blog.lastpass.com](https://blog.lastpass.com/posts/klue-supply-chain-incident-and-lastpass-response?utm_source=openai)) This incident underscores the escalating risks associated with third-party integrations and supply chain vulnerabilities. Organizations must reassess their security postures, particularly concerning external partnerships, to mitigate potential threats arising from interconnected systems.

Medium impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(low)
LMLateral Movement(low)
C&CCommand & Control(low)
EExfiltration(high)
IImpact(high)
Read report
AIR's Experiment Unveils Critical Security Gaps in AI Agent Skill Marketplaces
Computer Software/Engineering4 months ago

AIR's Experiment Unveils Critical Security Gaps in AI Agent Skill Marketplaces

In June 2026, security firm AIR conducted an experiment to highlight vulnerabilities in AI agent skill marketplaces. They created a fake AI agent skill named 'brand-landingpage,' which purported to assist users in building landing pages using Google's Stitch design tool. This skill was submitted to a popular skill marketplace and promoted via an Instagram ad, ultimately reaching approximately 26,000 agents, including those on corporate accounts. Notably, all security scanners tested by AIR marked the skill as safe. The payload was intentionally benign, merely collecting users' email addresses to demonstrate the ease with which malicious skills could bypass existing security measures. This incident underscores the pressing need for enhanced security protocols in AI agent skill ecosystems, as traditional trust signals such as GitHub stars and scanner verdicts proved insufficient in detecting potential threats. The reliance on external links within skills, which can be altered post-review, presents a significant risk, emphasizing the necessity for continuous monitoring and comprehensive vetting processes to safeguard against supply chain attacks in AI environments.

Low impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(low)
LMLateral Movement(low)
C&CCommand & Control(low)
EExfiltration(low)
IImpact(low)
Read report
FortiBleed: Massive Credential Exposure in Fortinet Firewalls
Computer/Network Security4 months ago

FortiBleed: Massive Credential Exposure in Fortinet Firewalls

In June 2026, the 'FortiBleed' campaign emerged as a significant cybersecurity threat, compromising over 86,000 Fortinet FortiGate firewalls across 194 countries. Attackers utilized a Golang-based tool, FortigateSniffer, to exploit default credentials and weak password practices, turning these devices into passive credential collectors across 24 authentication protocols. This led to the exposure of approximately 110 million credentials, affecting major corporations and government agencies worldwide. The incident underscores the critical importance of robust password policies and the implementation of multi-factor authentication (MFA). Organizations are urged to review and enhance their security measures to prevent similar breaches, as reliance on default credentials and inadequate password management continue to be exploited by threat actors.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(high)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(medium)
Read report
Anthropic's Fable 5 AI Model Compromised Shortly After Release
Computer Software/Engineering4 months ago

Anthropic's Fable 5 AI Model Compromised Shortly After Release

In June 2026, Anthropic released Fable 5, a publicly accessible AI model designed with safety classifiers to prevent misuse in areas like cybersecurity. Despite extensive pre-release testing, researchers identified methods to bypass these safeguards, enabling the model to generate potentially harmful content. This led to the U.S. government imposing export controls on Fable 5 and its more advanced counterpart, Mythos 5, citing national security concerns. The incident underscores the challenges in securing advanced AI systems against unintended applications. The rapid circumvention of Fable 5's safety measures highlights the evolving nature of AI vulnerabilities and the necessity for continuous monitoring and adaptive security protocols in AI development.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(medium)
IImpact(medium)
Read report
Algerian National Extradited for Operating Cybercrime Marketplaces
Banking/Mortgage4 months ago

Algerian National Extradited for Operating Cybercrime Marketplaces

In June 2026, Abdellah Belmili, a 26-year-old Algerian national known online as "SPOX," was extradited from Spain to the United States and charged with conspiracy to commit bank fraud. Belmili allegedly operated two cybercrime marketplaces, market0day.com and spoxy.us, which sold stolen financial credentials, phishing kits, and access to compromised email servers. These platforms facilitated fraudulent activities targeting major U.S. financial institutions, resulting in approximately $900,000 funneled through cryptocurrency accounts over a three-year period. Investigations revealed that Belmili embedded hidden backdoors in the phishing kits he sold, allowing him to harvest victim data even after the kits were sold to other criminals. This case underscores the persistent threat posed by cybercriminals who develop and distribute tools that enable widespread financial fraud. The operation of such marketplaces highlights the evolving tactics of cybercriminals and the importance of international cooperation in apprehending individuals who exploit digital platforms for illicit gain.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(medium)
EExfiltration(high)
IImpact(high)
Read report
CSIS's Landmark Operation: Neutralizing Botnet Threats in Canada
Government Administration4 months ago

CSIS's Landmark Operation: Neutralizing Botnet Threats in Canada

In May 2024, the Canadian Security Intelligence Service (CSIS) obtained a Federal Court warrant to neutralize two foreign-operated botnets that had infected servers, home routers, and IoT devices across Canada. This unprecedented legal authorization allowed CSIS to alter, degrade, and destroy malicious data on compromised devices, effectively severing their connection to the botnet networks. The operation targeted a range of devices, including Ring doorbells, security cameras, and Wi-Fi-enabled appliances, to mitigate potential threats to critical infrastructure and national security. This case underscores the evolving landscape of cyber threats and the necessity for intelligence agencies to adopt proactive measures. The legal framework established by this warrant sets a precedent for future cyber defense operations, highlighting the importance of balancing national security interests with individual privacy rights.

Low impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(medium)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(medium)
IImpact(high)
Read report
AryStinger Botnet Hijacks Over 4,000 D-Link Routers Globally
Telecommunications4 months ago

AryStinger Botnet Hijacks Over 4,000 D-Link Routers Globally

In June 2026, the AryStinger botnet compromised over 4,000 outdated D-Link routers worldwide, transforming them into proxies for malicious activities. The malware exploited known vulnerabilities, including CVE-2013-3307, CVE-2016-5681, and CVE-2025-11837, primarily targeting D-Link DIR-850L and DIR-818LW models. Infected devices were utilized for scanning, proxying, tunneling, and command execution, with the capability to tamper with DNS settings and monitor network traffic. The majority of infections were reported in South Korea (48.5%), China (31.8%), Sweden (6.4%), Malaysia (3.5%), and Singapore (2.5%). This incident underscores the critical need for organizations to replace end-of-life hardware and apply the latest firmware updates to mitigate risks associated with outdated devices. The AryStinger botnet's exploitation of legacy vulnerabilities highlights the ongoing threat posed by unpatched systems in the cybersecurity landscape.

High impact

Kill Chain

ICInitial Compromise(high)
PEPrivilege Escalation(high)
LMLateral Movement(medium)
C&CCommand & Control(high)
EExfiltration(medium)
IImpact(high)
Read report
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