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Tag: os command injection

10 articles

Web application firewall device on workbench with nearby computer, conveying vulnerability.

Hackers exploit SiteGuard WAF flaw to gain SYSTEM-level access

A critical vulnerability in SiteGuard's statistics feature has been exploited by hackers, allowing them to gain SYSTEM-level access and execute operating-system commands with root privileges. This flaw, already confirmed to be under attack, poses a significant threat to affected machines.

Analyst 207
Server room interior with rows of equipment and a single, unoccupied workstation in the foreground.

Hackers exploit Collabora flaw to backdoor Nextcloud servers

Hackers are actively exploiting a critical flaw in Collabora Online's CODE Server app for Nextcloud, allowing them to backdoor servers and putting sensitive data at risk. This vulnerability, tracked as CVE-2026-110447, affects specific Nextcloud app versions and has been under attack since mid-September.

Analyst 207
Server room with rows of computer servers and storage equipment, one server showing signs of tampering.

AhsayCBS flaws exploited to deploy webshells, crypto miners

Cyber attackers have struck at least five organizations by exploiting two unpatched flaws in the AhsayCBS backup management platform, using a clever two-step attack chain to gain access and deploy malicious code. By chaining these vulnerabilities, the attackers were able to quickly move from gaining access to taking control of the compromised systems.

Analyst 207
Network management system setup with large computer screen and servers in a brightly-lit data center environment.

Arista Disrupts Actively Exploited VeloCloud Bug

Arista warns of a critical vulnerability in VeloCloud Orchestrator On-Prem, which is being actively exploited by hackers, putting the confidentiality, integrity, and availability of sensitive data at risk. This severe OS command injection flaw, scoring a perfect 10.0 on the CVSS scale, allows unauthorized access to internal functionality, compromising entire networks.

Analyst 207
Network device on a rack in a brightly-lit data center environment.

CISA Warns of Active Exploits Targeting FortiSandbox Flaws

Critical FortiSandbox flaws, CVE-2026-39808 and CVE-2026-25089, are under active attack by hackers, allowing them to execute malicious commands without needing login credentials. These severe vulnerabilities, scoring 9.1, require immediate attention to prevent devastating remote code execution attacks.

Analyst 207
Technician applies security patch to computer system, symbolizing vulnerability fix.

CISA Orders Emergency Patch for Exploited Fortinet Vulnerabilities

The US Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive requiring federal agencies to patch or mitigate two critical Fortinet vulnerabilities within a tight three-day window, underscoring the severity of these flaws. This urgent action follows the discovery of a critical OS command injection vulnerability in FortiSandbox, allowing attackers to execute unauthorized code or commands.

Analyst 207
Technicians work on equipment in the background of a brightly-lit network operations center with rows of computer racks.

Attackers Exploit Critical Fortinet Vulnerabilities Disclosed in April

Security researchers have confirmed that hackers are actively exploiting critical vulnerabilities in Fortinet's FortiSandbox product, first patched in April, with multiple independent groups jumping on the bandwagon. The exploitation attempts, observed as early as June 9, involve OS-command injection and path-traversal flaws.

Analyst 207
Network device on a rack in a brightly-lit IT infrastructure room.

CISA Mandates Patching of Actively Exploited Ivanti Flaw

Federal agencies are on high alert: a severe vulnerability in Ivanti's Sentry gateway, already exploited by attackers, must be patched within three days to prevent further backdoor attacks. CISA's urgent directive demands swift action to secure vulnerable devices and shield against malicious cyber threats.

Analyst 207
Secure mobile gateway device on a rack with cables, set against a neutral background with a cityscape.

Ivanti Sentry vulnerability exploited in attacks

Within 24 hours of Ivanti releasing a patch for a high-severity vulnerability in its Sentry software, attackers began exploiting it in real-world attacks, with a large number of exploitation attempts detected. The flaw, tracked as CVE-2026-10520, allows hackers to execute code with root privileges on vulnerable mobile gateways.

Analyst 207
Secure mobile gateway appliance on a plain surface with a clean, minimalist background.

Ivanti Patches Zero-Day Flaw Allowing Root Code Execution

Ivanti has patched a high-risk zero-day flaw that could let hackers run malicious code with root access, and fortunately, there are no known cases of exploitation so far. The vulnerability, tracked as CVE-2026-10520, affects the company's Sentry secure mobile gateway and allows for OS command injection permitting root execution.

Analyst 207