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Joseph Lee

About Joseph Lee

Joseph has had a varied and passionate background in IT and cyber security since the late 1980s. His early technical experience included working on an IBM PS/2, assembling PCs and programming in C++.

He also pursued academic studies in computer and systems engineering, anthropology and an MBA in technology forecasting.

Joseph has worked in data analytics, software development and, in particular, enterprise IT security. He specialises in vulnerability management, encryption and penetration testing.

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Entries by Joseph Lee

Blog

CVE-2026-102764: BeyondTrust RS Actively Exploited

CVE-2026-102764 (CVSS 9.3, EPSS ≥ 67th pct) is a critical authentication-bypass flaw affecting BeyondTrust Remote Support (RS). The vulnerability stems from improper origin validation in an internal messaging component, and exploitation allows an unauthenticated remote attacker to perform file operations on an affected appliance. The CVE was published on October 15th, 2026, and added to […]

19. October 2026/by Joseph Lee
Blog

CVE-2026-21589: Multiple Atlassian Data Center Products Actively Exploited

CVE-2026-21589 (CVSS 9.3, EPSS ≥ 78th pctl) is a critical-severity arbitrary file access vulnerability [CWE-552] affecting Atlassian Jira Service Management Data Center, Jira Software Data Center, Confluence Data Center, Bitbucket Data Center, Bamboo Data Center, Crowd Data Center, Crucible, and Fisheye. All unpatched versions of the affected products are vulnerable. The file access vulnerability can […]

14. October 2026/by Joseph Lee
Blog

CVE-2026-104286: FortiMail Webmail Interface Actively Exploited

CVE-2026-104286 (CVSS 9.8, EPSS ≥ 82nd pctl) is a critical path traversal [CWE-22] and NULL-byte handling flaw [CWE-158] affecting Fortinet FortiMail. Exploitation can be achieved via HTTP/HTTPS request to the FortiMail web interface. The CVE was both published and added to CISA’s KEV list on October 1st, 2026. Successful exploitation allows writing arbitrary files with […]

12. October 2026/by Joseph Lee
Blog

September 2026 Threat Report: Unchecked Accumulation of Security Debt in Enterprise IT

Widespread, unchecked accumulation of security debt in enterprise IT is emerging at an accelerated pace. While the numbers are staggering, defenders need to realize that regular scanning, orderly prioritization, and timely patching are still the most fundamental way to prevent attackers from exploiting software flaws for impact. For prudent defenders applying well-orchestrated security programs, vulnerability […]

5. October 2026/by Joseph Lee
Blog

CVE-2026-5430: Full Account Takeover in WSO2 API Management Products Now Actively Exploited

CVE-2026-5430 (CVSS 10), published August 6th, 2026, is a critical authentication bypass in WSO2 JSON Web Token (JWT) authentication affecting multiple WSO2 API management products. The flaw allows a token signed with an unsupported algorithm to bypass JWT authentication. Exploitation allows unauthorized access, compromise of administrative accounts, and full account takeover. Although the CVE was […]

30. September 2026/by Joseph Lee
Blog

CVE-2026-7273: Zyxel GS1900 Switches Actively Exploited Globally

CVE-2026-7273 (CVSS 8.8, EPSS 1.286% (69th)), published in mid-June 2026, is a stack-based buffer overflow that allows unauthenticated remote code execution (RCE) on Zyxel GS1900 series switches. The flaw is in the device’s firmware CGI program and can be triggered via crafted HTTP request. As of September 21st, 2026, CVE-2026-7273 is considered actively exploited and […]

28. September 2026/by Joseph Lee
Blog

CVE-2026-48842: Unauthenticated SQL Injection Flaw in Roundcube Webmail Now Targeted

Overview of CVE-2026-48842, the unauthenticated SQL injection flaw in Roundcube Webmail, shown with its CVSS severity band and EPSS exploitation-probability score CVE-2026-48842 CVSS 8.1 · High EPSS 0.8% (54th) CVE-2026-48842 (CVSS 8.1, EPSS ≥ 54th pctl), published in May 2026, is an unauthenticated SQL injection flaw in Roundcube Webmail. Vulnerable instances warrant prompt attention due […]

24. September 2026/by Joseph Lee
Blog

Patch Now! Heightened Risk Across Cisco Products in September 2026

So far, Cisco has published 97 new CVE IDs affecting its products this month. Although cyber security experts have noted that raw CVE count is not a direct measure of risk, the total makes September Cisco’s largest-ever month for coordinated CVE disclosures. Also, 32 of the CVEs are “umbrella CVEs”—clusters of multiple underlying vulnerabilities grouped […]

22. September 2026/by Joseph Lee
Blog

CVE-2026-85706: CVSS 10 GitLab CE/EE API Flaw Actively Exploited

CVE-2026-85706 (CVSS 10, EPSS 96th pctl), published on September 12th, 2026, is a critical path traversal flaw in the GitLab CE/EE repository Commits API and Repository Files API. Exploitation can allow an unauthenticated attacker to read arbitrary files from the GitLab server on affected self-managed instances. However, the unauthenticated exploit path requires at least one […]

17. September 2026/by Joseph Lee
Blog

Three New JFrog Artifactory CVEs Actively Exploited in the Wild

CVE-2026-82329, CVE-2026-42018, and CVE-2026-42016, all affecting JFrog Artifactory, were added to CISA’s Known Actively Exploited (KEV) in September 2026 [1][2][3]. Artifactory acts as a central repository for software build artifacts, binaries, packages, containers, files, releases, and increasingly AI/ML artifacts. A compromise of Artifactory could allow an attacker to steal sensitive artifacts and credentials, tamper with […]

15. September 2026/by Joseph Lee
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