// #code-execution
3 articles
cPanel/WHM Patches Three New Vulnerabilities Including CVSS 8.8 Code Execution and Privilege Escalation
cPanel has released security updates addressing three new vulnerabilities distinct from the previously covered CVE-2026-41940 zero-day: CVE-2026-29202 (CVSS 8.8, Perl code execution), CVE-2026-29203 (CVSS 8.8, symlink-based privilege escalation), and CVE-2026-29201 (CVSS 4.3, arbitrary file read). Web hosting providers running cPanel/WHM should apply the updates urgently given the platform's current elevated threat posture following mass exploitation in May 2026.
vm2 Node.js Sandbox Escape CVE-2026-26956 — 1.3 Million Weekly Downloads, PoC Published
A critical sandbox escape vulnerability in the vm2 Node.js sandboxing library allows a malicious script to break out of the sandbox and execute arbitrary code in the host Node.js process. CVE-2026-26956 affects all vm2 versions prior to 3.9.22 and is present in any application using vm2 to safely execute untrusted code — including serverless platforms, coding challenge sites, CI/CD systems, and plugin architectures. A PoC is publicly available.
Wireshark CVE-2026-5656 — Remote Code Execution via Malicious PCAP File, Update to 4.4.6
A code execution vulnerability in Wireshark's PCAP/PCAPNG file parser allows a malicious capture file to trigger arbitrary code execution when opened by an analyst. CVE-2026-5656 affects all Wireshark versions prior to 4.4.6 across Windows, macOS, and Linux. The attack vector is especially concerning for security teams that open externally-sourced capture files during incident response or threat hunting — update Wireshark to 4.4.6 immediately.