21 Oct, 2026

vBulletin fixes critical pre-auth RCE flaw with public exploit

A critical vulnerability in the vBulletin forum software allows unauthenticated attackers to execute arbitrary PHP code through template rendering. The security issue is tracked as CVE-2026-61511 and affects vBulletin versions in the 5.x and 6.x branches up to 5.7.5 and 6.2.1, respectively. vBulletin is a PHP-based proprietary forum platform released in 2000 and used by large online […]

2 mins read

Hackers target US firms in FastJson RCE zero-day attacks

Hackers are actively exploiting a vulnerability in the FastJson open-source Java library, allowing remote code execution without user interaction or elevated privileges. The security issue affects FastJson versions 1.2.68 through 1.2.83 and is leveraged in attacks targeting various organizations in the U.S. The malicious activity was observed last week by the agentic security company ThreatBook, and researchers […]

2 mins read

Arista patches VeloCloud Orchestrator zero-day exploited in attacks

Arista has patched a maximum-severity command injection vulnerability in on-premises VeloCloud Orchestrator deployments that is being actively exploited in attacks. The vulnerability, tracked as CVE-2026-16812, is an unauthenticated OS command injection flaw with severity scores of 10.0, the maximum score that can be given to flaws. VeloCloud Orchestrator, also known as VCO, is a centralized […]

4 mins read

New Certighost PoC exploit lets attackers hijack Windows domains

A proof-of-concept exploit for “Certighost,” a Windows Active Directory Certificate Services vulnerability, has been released that can allow authenticated attackers to potentially compromise a Windows domain. Tracked as CVE-2026-54121, the vulnerability was fixed by Microsoft as part of the July 2026 Patch Tuesday security updates. “An authenticated attacker could manipulate attributes associated with a machine account and obtain […]

4 mins read

Check Point warns of SmartConsole zero-day exploited in attacks

Israeli cybersecurity firm Check Point Software has addressed an actively exploited zero-day flaw in the company’s SmartConsole graphical user interface (GUI) admin panel. Tracked as CVE-2026-16232, this authentication bypass vulnerability allows unauthenticated attackers to obtain an application login token that can be used to authenticate with administrator privileges. After gaining access to a vulnerable Security Management […]

2 mins read

South Korea discloses data breach impacting diplomats worldwide

South Korea disclosed that hackers breached the National Diplomatic Academy’s online education system for ten months and stole personal information belonging to current and former employees of the Ministry of Foreign Affairs (MFA), including overseas diplomats. The incident occurred in April 2025 after an unknown threat actor exploited a vulnerability in the Academy’s server. It […]

2 mins read

New InfraTrust report reveals infrastructure flaws admins should patch first

Eclypsium has launched InfraTrust, a new infrastructure cybersecurity knowledge base and monthly InfraTrust Pulse report designed to help organizations prioritize vulnerabilities affecting infrastructure, firmware, networking, and edge devices. The monthly report aggregates security advisories from major infrastructure vendors and highlights the vulnerabilities administrators should prioritize based on a flaw’s exploitability, exposure, and real-world risk rather than […]

10 mins read

CISA orders urgent action on actively exploited Langflow RCE flaw

The Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday ordered U.S. government agencies to prioritize patching an actively exploited vulnerability in the Langflow visual framework for building AI agents. Tracked as CVE-2026-0770, this critical security flaw allows unauthenticated threat actors to gain remote code execution as root in low-complexity attacks. “The specific flaw exists within the handling […]

2 mins read

Critical SharePoint RCE flaw exploited to steal machine keys

Hackers are actively exploiting the critical CVE-2026-50522 vulnerability in Microsoft SharePoint to steal machine keys and maintain access even after affected servers are patched. An attacker obtaining them can create valid authentication tokens to impersonate users and access available resources such as SharePoint sites and documents with the privileges of the forged identity. Microsoft describes the […]

2 mins read

Critical wp2shell WordPress flaws exploited to install webshells

Hackers are exploiting the “wp2shell” critical vulnerability suite (CVE-2026-63030 and CVE-2026-60137) affecting WordPress Core to deploy persistent webshells and install malicious plugins on affected servers. The critical exploit chain abuses the WordPress REST API’s batch-processing feature, allowing remote attackers to execute code on vulnerable installations without the need to authenticate. Although the technical details were not released, […]

3 mins read