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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

One Quote Too Many: CVE-2026-17351 — How a Backslash Broke pgAdmin's AI Assistant Read-Only Guard (Twice)

On July 24, 2026, a security researcher going by Kai Aizen (SnailSploit) reported a bypass of a patch that was less than six weeks old. The patch, shipped in pgAdmin 4 v9.16 on June 18, was supposed to stop the AI Assistant from executing anything but read-only SQL. The bypass, …

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…