# CVE-2026-56412

> libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.

- **CVSS:** 4.9 (MEDIUM)
- **CWE:** CWE-416

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-56412
Full threat coverage + IOCs via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
