CVE WatchAug 20, 2026

CVE-2026-71428

The unstructured library provides open-source components for ingesting and pre-processing images and text documents, such as PDFs, HTML, Wor

CVSS

9.3

Critical

EPSS

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KEV

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Exploit Today

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0-100

Published: Aug 20, 2026 · Last modified: Aug 20, 2026 · CWE-601 · CWE-918

EPSS · 30d

Not enough EPSS history yet.

Technical description

The unstructured library provides open-source components for ingesting and pre-processing images and text documents, such as PDFs, HTML, Word docs, and many more. From 0.4.7 until 0.24.0, the url argument of partition, partition_html, and partition_md is fetched without host validation in unstructured/partition/auto.py, unstructured/partition/html/partition.py, and unstructured/partition/md.py. An attacker who controls that URL can make a server-side ingestion service request loopback addresses, internal HTTP services, or cloud metadata endpoints through direct targets, redirects, or DNS rebinding. The response body is returned as Element text, allowing internal response disclosure, and side-effecting GET endpoints may also be triggered. This issue is fixed in version 0.24.0.

Official references

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