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CVE-2026-44520

CVE-2026-44520 · Docling-Graph: SSRF via Missing Internal IP Validation in URLInputHandler

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Docling-Graph turns documents into validated Pydantic objects, then builds a directed knowledge graph with explicit semantic relationships. Prior to 1.5.1, the URLInputHandler class in docling_graph/core/input/handlers.py makes HTTP requests to user-supplied URLs without validating whether the target resolves to a private, loopback, or link-local IP address. The URLValidator only checks for a valid scheme and non-empty netloc, performing no IP-level validation. Additionally, requests.head() was called with allow_redirects=True, allowing an attacker to redirect requests to internal endpoints via an intermediary URL. An attacker who can control the --source CLI argument or PipelineConfig.source API parameter can trigger Server-Side Request Forgery (SSRF). This vulnerability is fixed in 1.5.1.

CVSS 5.7 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • docling-graph

    Versions
    • < 1.5.1: Affected

    No fix published

  • docling-graph PyPI

    Versions
    • 0.2.4
    • 0.2.5
    • 0.3.0
    • 0.4.0
    • 0.4.1
    • 1.0.0
    • 1.1.0
    • 1.2.0
    • 1.2.1
    • 1.2.2
    • 1.2.3
    • 1.2.4
    • 1.3.0
    • 1.3.1
    • 1.4.0
    • 1.4.3
    • 1.4.4
    • 1.5.0
    Affected ranges
    • ECOSYSTEM: < 1.5.1

    Update to 1.5.1

Original sources

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