Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-109205— LogicalDOC Community Edition through 9.3 Unauthenticated Upload Disk Exhaustion via UploadServlet

Quick assessment

Affected
LogicalDOC LogicalDOC Community Edition
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.

LogicalDOC 社区版（9.3 及更早版本）在 UploadServlet 中存在一个未授权的文件上传漏洞，允许远程攻击者在没有会话的情况下将文件写入磁盘。攻击者可以通过向 /upload 接口反复发送包含无限文件部分的 multipart 请求，将文件持久化存储到未清理的临时目录中，从而耗尽服务器的磁盘空间。

CVSS 7.5 · High EPSS 0.42% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
LogicalDOC LogicalDOC Community Edition ≤ 9.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-109205

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
LogicalDOC Community Edition through 9.3 Unauthenticated Upload Disk Exhaustion via UploadServlet
Source: CVE Program / CVE List V5
Vulnerability Description
LogicalDOC Community Edition through 9.3 contains an unauthenticated file upload vulnerability in the UploadServlet that allows remote attackers to write files to disk without a session. Attackers can repeatedly send multipart requests with unlimited file parts to /upload, persisting files in uncleaned temporary directories and exhausting server disk space.
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
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
LogicalDOC LogicalDOC Community Edition 0 ~ 9.3 -

II. Public POCs for CVE-2026-109205

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-109205

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-109205 (1)

Vendor Advisories for CVE-2026-109205 (2)

Vendor Pages for CVE-2026-109205 (1)

Same Patch Batch · LogicalDOC · 2026-10-12 · 10 CVEs total

CVE-2026-109199 8.8 HIGH LogicalDOC Community Edition through 9.3 Code Injection via Velocity sendAsEmail Template
CVE-2026-109201 8.3 HIGH LogicalDOC Community Edition through 9.3 Missing Authorization in DocumentService
CVE-2026-109170 6.5 MEDIUM LogicalDOC Community Edition through 9.3 HQL Injection via documents.xml indexed Parameter
CVE-2026-109169 6.5 MEDIUM LogicalDOC Community Edition through 9.3 SQL Injection via tags.xml firstLetter
CVE-2026-109202 6.5 MEDIUM LogicalDOC Community Edition through 9.3 Missing Authorization via zip-export Servlet
CVE-2026-109203 6.5 MEDIUM LogicalDOC Community Edition through 9.3 Missing Authorization via ConvertPdf Servlet
CVE-2026-109200 6.4 MEDIUM LogicalDOC Community Edition through 9.3 SSRF via XMLConverter xml-stylesheet href
CVE-2026-109204 6.3 MEDIUM LogicalDOC Community Edition through 9.3 Forced Password Reset via Unbound PswRecovery Tic
CVE-2026-109206 5.3 MEDIUM LogicalDOC Community Edition through 9.3 Username Enumeration via AvatarServlet

IV. Related Vulnerabilities

Same product: LogicalDOC Community Edition
Same vendor: LogicalDOC
Same weakness: CWE-770

V. Comments for CVE-2026-109205

No comments yet

Leave a comment