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CVE-2026-44018— Docling: Unsafe Archive Extraction and XML Parsing in METS-GBS Backend

Quick assessment

Affected
docling-project docling
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Docling Project Docling是瑞士Docling Project公司的一款文档解析与转换工具。 docling-project Docling 2.45.0版本至2.91.0之前版本存在安全漏洞，该漏洞源于METS-GBS后端的XML解析和输入文档格式检测缺乏安全控制，可能导致攻击者读取敏感文件、耗尽系统资源或导致应用程序崩溃。

CVSS 5.5 · Medium EPSS 0.11% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
docling-project docling >= 2.45.0, < 2.91.0 affected
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I. Basic Information for CVE-2026-44018

Vulnerability Information
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Vulnerability Title
Docling: Unsafe Archive Extraction and XML Parsing in METS-GBS Backend
Source: CVE Program / CVE List V5
Vulnerability Description
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.91.0, the METS-GBS backend's XML parsing and the input document format detection lacked security controls. An attacker could craft malicious METS-GBS archives that, when processed, could read sensitive files, exhaust system resources, or cause application crashes. This vulnerability is fixed in 2.91.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Source: CVE Program / CVE List V5
Vulnerability Title
docling-project Docling 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Docling Project Docling是瑞士Docling Project公司的一款文档解析与转换工具。 docling-project Docling 2.45.0版本至2.91.0之前版本存在安全漏洞，该漏洞源于METS-GBS后端的XML解析和输入文档格式检测缺乏安全控制，可能导致攻击者读取敏感文件、耗尽系统资源或导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
docling-project docling >= 2.45.0, < 2.91.0 -

II. Public POCs for CVE-2026-44018

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III. Intelligence Information for CVE-2026-44018

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Vendor Advisories for CVE-2026-44018 (1)

Vendor Pages for CVE-2026-44018 (1)

IV. Related Vulnerabilities

Same product: docling
Same vendor: docling-project
Same weakness: CWE-409

V. Comments for CVE-2026-44018

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