Fractional CTO

Today’s signal The Hacker News recently reported Langflow RCE Exploited to Deploy Monero Miner on Exposed AI App Endpoints. Published context: June 30, 2026. Threat actors are continuing to exploit a critical Langflow vulnerability as part of fresh attacks designed to deliver a Monero cryptocurrency miner. The activity has been found to weaponize CVE-2026-33017 (CVSS score: 9.3), an unauthenticated remote code execution (RCE) vulnerability in Langflow, indicating threat actors are scanning and targeting exposed a ...

Today’s signal The Hacker News recently reported Attackers Exploit SimpleHelp CVE-2026-48558 to Deploy TaskWeaver and Djinn Stealer. Published context: June 30, 2026. An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer. The intrusion involves the exploitation of CVE-2026-48558 (CVSS score: 10.0), a critical authentication bypass vulnerability impacting the OpenID Connect (O The reason this matters is simple: buyers are paying attention to speed, operational resilience, and credible technical execution. A trending story can create awareness, but the business question is what a team should do with that attention. ...

Today’s signal The Hacker News recently reported Gamaredon Expands Ukraine Attacks with New Malware and Cloud Service Abuse. Published context: June 29, 2026. A Russian advanced persistent threat (APT) group has continued to evolve and expand its malware arsenal as part of its ongoing cyber onslaught against Ukraine throughout 2025. Slovakian cybersecurity company ESET said it observed 35 distinct spear-phishing campaigns mounted by Gamaredon against new targets, with most of them taking place in the second half o ...

Today’s signal The Hacker News recently reported New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets. Published context: June 26, 2026. DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant. Tracked as CVE-2026-43503 (CVSS 8.8), it lets a local user corrupt file-backed memory through a cloned network packet and gain root. The patch ...

Today’s signal The Hacker News recently reported CISA Adds Exploited PTC Windchill RCE Flaw to KEV as Web Shell Attacks Continue. Published context: June 26, 2026. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management (PDM) and Product Lifecycle Management (PLM) software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. ...

Today’s signal The Hacker News recently reported CISA Warns Critical Lantronix EDS5000 Flaw Is Being Actively Exploited. Published context: June 24, 2026. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday warned of active exploitation of a critical security flaw impacting Lantronix EDS5000 Series devices, urging Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by June 26, 2026. The vulnerability in question is CVE-2025-67038 (CVSS score: 9.8), a code injection flaw ...

Today’s signal The Hacker News recently reported Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access. Published context: June 25, 2026. An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant. The vulnerability, tracked as CVE-2026-20245 (CVSS score: 7.8), allows an authenticated, local attacker to execute arbitrar ...

Today’s signal The Hacker News recently reported Cisco Unified CM Flaw Exploited After PoC Reveals File-Write Path to Root. Published context: June 24, 2026. Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME). The vulnerability, tracked as CVE-2026-20230 (CVSS score: 8.6), is a case of improper input validation for specific HTTP requests that could ...

Today’s signal TechCrunch recently reported Shareholders sue Uber’s board over sexual assaults, other incidents. Published context: June 22, 2026. The lawsuit, led by a Detroit pension fund, alleges Uber’s board and management has cut too many compliance corners, resulting in thousands of lawsuits. The reason this matters is simple: buyers are paying attention to speed, operational resilience, and credible technical execution. A trending story can create awareness, but the business question is what a team should do with that attention. ...

Today’s signal The Hacker News recently reported INTERPOL Warns Phishing, Ransomware, and AI Scams Are Rising Across Asia-Pacific. Published context: June 22, 2026. A new report from INTERPOL has revealed a “dramatic increase” in cybercrime in Asia and the South Pacific, fueled by rapid digitalization, internet penetration, new technologies, organized criminal networks, and a disparity in cybersecurity maturity. According to INTERPOL’s 2025/2026 Asia and South Pacific Cyberthreat Assessment Report, phishing has emerged ...

Today’s signal The Hacker News recently reported F5 Patches Two Critical NGINX Open Source Flaws Enabling Remote Code Execution. Published context: June 18, 2026. F5 has released security updates to address two critical security flaws in NGINX Open Source that could be exploited to achieve code execution on affected systems. The vulnerabilities are listed below - CVE-2026-42530 (CVSS v4 score: 9.2) - A use-after-free vulnerability in the ngx_http_v3_module that could be triggered by a remote unauthenticated attacker w ...

Today’s signal The Hacker News recently reported Hackers Exploit Gravity SMTP WordPress Plugin Bug to Expose API Keys. Published context: June 20, 2026. Threat actors are exploiting a recently patched security flaw impacting Gravity SMTP, a WordPress plugin that’s installed on about 100,000 sites. The vulnerability, tracked as CVE-2026-4020 (CVSS score: 5.3), is a medium-severity information disclosure flaw that can allow unauthenticated attackers to extract sensitive data, such as configuration data, API ke ...