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CVE-2026-110638— doc-recog through 1.1.6 OS Command Injection via DocData._readPDF File Path

Quick assessment

Affected
zepspaiva doc-recog
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.

doc-recog 1.1.6 及之前的版本存在一个操作系统命令注入漏洞，攻击者可以通过向 recog() 或 tag() 函数提供特制的文档路径来执行任意命令。攻击者可以在文件路径中嵌入 $(...) 或反引号形式的命令替换结构，这些结构会被 DocData._readPDF 方法传递到基于 shell 的 pdftotext 执行调用中，从而以 Node.js 进程的权限执行恶意命令。

CVSS 9.8 · Critical EPSS 2.73% · P86

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
zepspaiva doc-recog ≤ 1.1.6 affected
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I. Basic Information for CVE-2026-110638

Vulnerability Information
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Vulnerability Title
doc-recog through 1.1.6 OS Command Injection via DocData._readPDF File Path
Source: CVE Program / CVE List V5
Vulnerability Description
doc-recog through 1.1.6 contains an OS command injection vulnerability that allows attackers to execute commands by supplying crafted document paths to recog() or tag(). Attackers can embed $(...) or backtick command substitution in the file path, which DocData._readPDF passes to a shell-based pdftotext exec call, running commands with Node.js process privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
zepspaiva doc-recog 0 ~ 1.1.6 -

II. Public POCs for CVE-2026-110638

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III. Intelligence Information for CVE-2026-110638

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Patches & Fixes for CVE-2026-110638 (1)

Other References for CVE-2026-110638 (3)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2026-110638

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