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CVE-2026-44023— Docling Core has unsafe remote filename resolution

Quick assessment

Affected
docling-project docling-core
Exploitation
Public or AI PoC available; prioritize validation
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-core是docling-project组织的一款文档核心处理中间件。 docling-project docling-core 1.5.0版本至2.74.1之前版本存在安全漏洞，该漏洞源于未充分限制远程请求目的地，并以不安全的方式将服务器提供的Content-Disposition解析为本地路径，在接受不可信URL的应用中可能导致针对用户定义缓存目录外本地文件的服务端请求伪造攻击。

CVSS 8.6 · High EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1001 · Data Obfuscation

Affected Version Matrix 1

VendorProduct Version RangeStatus
docling-project docling-core >= 1.5.0, < 2.74.1 affected
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I. Basic Information for CVE-2026-44023

Vulnerability Information
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Vulnerability Title
Docling Core has unsafe remote filename resolution
Source: CVE Program / CVE List V5
Vulnerability Description
Docling Core defines core data types and transformations for the document processing application Docling. In versions 1.5.0 and above, prior to 2.74.1, docling-core did not sufficiently restrict remote request destinations and could resolve a server-provided Content-Disposition to a local path in an unsafe manner. In applications that accept untrusted URLs, this could allow SSRF attacks targeting local files outside the user-defined cache directory. This issue has been fixed in version 2.74.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
docling-project docling-core 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
docling-project docling-core是docling-project组织的一款文档核心处理中间件。 docling-project docling-core 1.5.0版本至2.74.1之前版本存在安全漏洞，该漏洞源于未充分限制远程请求目的地，并以不安全的方式将服务器提供的Content-Disposition解析为本地路径，在接受不可信URL的应用中可能导致针对用户定义缓存目录外本地文件的服务端请求伪造攻击。
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-core >= 1.5.0, < 2.74.1 -

II. Public POCs for CVE-2026-44023

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: server-controlled Content-Disposition made docling-core write remote content to /flag.txt (secret exfiltrated: PROOF_f7d087fd0992b332)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 9604 chars
GitHub 复现环境（可 clone 直接跑）
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-44023

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Vendor Advisories for CVE-2026-44023 (1)

Vendor Pages for CVE-2026-44023 (1)

IV. Related Vulnerabilities

Same product: docling-core
Same vendor: docling-project
Same weakness: CWE-22

V. Comments for CVE-2026-44023

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