Security Advisory

CVE-2026-43979

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-28 17:59:19

Last updated 2026-05-28 19:33:58

Assigner GitHub_M

CVSS score 5.0

State PUBLISHED

Description

Local Deep Research is an AI-powered research assistant for deep, iterative research. Prior to 1.6.0, PDFService._markdown_to_html() constructs an HTML document by interpolating user-controlled values — specifically title (sourced from research.title or research.query) and metadata key-value pairs — directly into an f-string without any HTML escaping. An authenticated attacker can craft a research query containing HTML special characters to inject arbitrary HTML tags into the document processed by WeasyPrint during PDF export. This injection can be chained to trigger a Server-Side Request Forgery (SSRF), bypassing the application's existing SSRF defenses in ssrf_validator.py. This vulnerability is fixed in 1.6.0.

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