CVE-2026-12048: Stored cross-site scripting in pgAdmin 4's error-rendering and plan-node-rendering paths. Text returned by a PostgreSQL server (ErrorResponse messages, including object names quoted back inside rel...

Added to the CISA Known Exploited Vulnerabilities catalog on 19 Jun 2026. Vendor: AI/ML. Product: LLM. CVSS score: 9.3.

Stored cross-site scripting in pgAdmin 4's error-rendering and plan-node-rendering paths. Text returned by a PostgreSQL server (ErrorResponse messages, including object names quoted back inside relation-does-not-exist errors and inside EXPLAIN Recheck Cond / Exact Heap Blocks fields) was passed v...

Required action: Review and patch if applicable to your AI infrastructure.