A fresh wave of spam is hitting inboxes worldwide, with users reporting that they are once again being bombarded by automated emails generated through companies’ unsecured Zendesk support systems. Some recipients say they are receiving hundreds of messages with strange or alarming subject lines. such as ‘Activate account…’ […]
Cisco, F5 Patch High-Severity Vulnerabilities
The security defects can lead to DoS conditions, arbitrary command execution, and privilege escalation.
The post Cisco, F5 Patch High-Severity Vulnerabilities appeared first on SecurityWeek.
Critical n8n Flaw CVE-2026-25049 Enables System Command Execution via Malicious Workflows
A new, critical security vulnerability has been disclosed in the n8n workflow automation platform that, if successfully exploited, could result in the execution of arbitrary system commands.
The flaw, tracked as CVE-2026-25049 (CVSS score: 9.4), is the result of inadequate sanitization that bypasses safeguards put in place to address CVE-2025-68613 (CVSS score: 9.9), another critical defect that
The flaw, tracked as CVE-2026-25049 (CVSS score: 9.4), is the result of inadequate sanitization that bypasses safeguards put in place to address CVE-2025-68613 (CVSS score: 9.9), another critical defect that
Hackers Exploit React2Shell to Hijack Web Traffic via Compromised NGINX Servers
Cybersecurity researchers have disclosed details of an active web traffic hijacking campaign that has targeted NGINX installations and management panels like Baota (BT) in an attempt to route it through the attacker’s infrastructure.
Datadog Security Labs said it observed threat actors associated with the recent React2Shell (CVE-2025-55182, CVSS score: 10.0) exploitation using malicious NGINX
Datadog Security Labs said it observed threat actors associated with the recent React2Shell (CVE-2025-55182, CVSS score: 10.0) exploitation using malicious NGINX
Hackers compromise NGINX servers to redirect user traffic
A threat actor is compromising NGINX servers in a campaign that hijacks user traffic and reroutes it through the attacker’s backend infrastructure. […]
Critical n8n flaws disclosed along with public exploits
Multiple critical vulnerabilities in the popular n8n open-source workflow automation platform allow escaping the confines of the environment and taking complete control of the host server. […]
Microsoft Develops Scanner to Detect Backdoors in Open-Weight Large Language Models
Microsoft on Wednesday said it built a lightweight scanner that it said can detect backdoors in open-weight large language models (LLMs) and improve the overall trust in artificial intelligence (AI) systems.
The tech giant’s AI Security team said the scanner leverages three observable signals that can be used to reliably flag the presence of backdoors while maintaining a low false positive
The tech giant’s AI Security team said the scanner leverages three observable signals that can be used to reliably flag the presence of backdoors while maintaining a low false positive
CISA: VMware ESXi flaw now exploited in ransomware attacks
CISA confirmed on Wednesday that ransomware gangs have begun exploiting a high-severity VMware ESXi sandbox escape vulnerability that was previously used in zero-day attacks. […]
DEAD#VAX Malware Campaign Deploys AsyncRAT via IPFS-Hosted VHD Phishing Files
Threat hunters have disclosed details of a new, stealthy malware campaign dubbed DEAD#VAX that employs a mix of “disciplined tradecraft and clever abuse of legitimate system features” to bypass traditional detection mechanisms and deploy a remote access trojan (RAT) known as AsyncRAT.
“The attack leverages IPFS-hosted VHD files, extreme script obfuscation, runtime decryption, and in-memory
“The attack leverages IPFS-hosted VHD files, extreme script obfuscation, runtime decryption, and in-memory
CISA warns of five-year-old GitLab flaw exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their systems against a five-year-old GitLab vulnerability that is actively being exploited in attacks. […]