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HB

The Sanitizer Is the Weapon: CVE-2026-68749 & CVE-2026-68750 — Quadratic Denial of Service in Elixir's html_sanitize_ex

On August 6, 2026, NIST’s National Vulnerability Database published two closely related vulnerabilities in html_sanitize_ex, the long-standing HTML-sanitization library for Elixir/Erlang applications. CVE-2026-68749 is a regex-catastrophe in the CSS scrubber; CVE-2026-6875…

HB

E is for Exploit: CVE-2026-17543 — SQL Injection in PHP's pgsql Extension via the `E'...'` Backslash Breakout

On July 30, 2026, NIST’s National Vulnerability Database published CVE-2026-17543, a SQL injection vulnerability sitting not in some neglected WordPress plugin, but in PHP itself — specifically the pgsql extension that ships with the language. NVD scores it 9.8 Critical (C…

HB

MCP as a Backdoor: CVE-2026-66012 — How a Missing Authorization Check in SiYuan's MCP Endpoint Turns Anonymous Readers into Administrators

On July 25, 2026, NIST’s National Vulnerability Database published CVE-2026-66012, a missing-authorization vulnerability in SiYuan — the privacy-first, block-level note-taking application with over 45,000 GitHub stars and a large Docker-hosted user base. NVD scores it 10.0…