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CVE-2026-82472— Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf

Quick assessment

Affected
documenso documenso
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.

Documenso是Documenso团队开源的一款数字文档签署平台。 Documenso 2.13.0之前版本存在授权问题漏洞，该漏洞源于/api/files/upload-pdf端点接受PDF文件上传时未要求身份验证，可能导致未经身份验证的攻击者无限上传任意PDF文件，耗尽存储资源或填满数据库。

CVSS 7.5 · High EPSS 0.76% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
documenso documenso < 2.13.0 affected
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I. Basic Information for CVE-2026-82472

Vulnerability Information
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Vulnerability Title
Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf
Source: CVE Program / CVE List V5
Vulnerability Description
Documenso before 2.13.0 accepts PDF file uploads on the /api/files/upload-pdf endpoint without requiring authentication, session tokens, or API credentials. Unauthenticated attackers can upload arbitrary PDF files indefinitely to exhaust storage resources or fill the database with unlinked document records.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Documenso 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Documenso是Documenso团队开源的一款数字文档签署平台。 Documenso 2.13.0之前版本存在授权问题漏洞，该漏洞源于/api/files/upload-pdf端点接受PDF文件上传时未要求身份验证，可能导致未经身份验证的攻击者无限上传任意PDF文件，耗尽存储资源或填满数据库。
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
documenso documenso 0 ~ 2.13.0 -

II. Public POCs for CVE-2026-82472

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-82472

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Vendor Advisories for CVE-2026-82472 (1)

Vendor Pages for CVE-2026-82472 (1)

Other References for CVE-2026-82472 (1)

IV. Related Vulnerabilities

Same product: documenso
Same vendor: documenso
Same weakness: CWE-306

V. Comments for CVE-2026-82472

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