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CVE-2026-120203— ShowDoc 2.8.14 before 3.9.6 Code Injection via Mock Templates

Quick assessment

Affected
ShowDoc ShowDoc
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.

ShowDoc 2.8.14 至 3.9.6 之前的版本中，其 Mock 功能存在代码注入漏洞。该漏洞允许已认证用户通过 mockjs 模板执行 Shell 命令。攻击者可通过 MockController::add 方法存储包含转义括号的模板，这些模板会被 mockjs 使用 eval() 函数评估；随后，攻击者可通过 MockController::infoByKey 方法触发该模板，从而以 root 权限（在官方 Docker 镜像中）执行命令。

CVSS 8.8 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
ShowDoc ShowDoc 2.8.14< 3.9.6 affected
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I. Basic Information for CVE-2026-120203

Vulnerability Information
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Vulnerability Title
ShowDoc 2.8.14 before 3.9.6 Code Injection via Mock Templates
Source: CVE Program / CVE List V5
Vulnerability Description
ShowDoc 2.8.14 before 3.9.6 contains a code injection vulnerability in its Mock feature that allows authenticated users to execute shell commands through mockjs templates. Attackers can store a template via MockController::add with escaped parentheses that mockjs evaluates with eval(), then trigger it through MockController::infoByKey to run commands, as root in the official Docker image.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ShowDoc ShowDoc 2.8.14 ~ 3.9.6 -

II. Public POCs for CVE-2026-120203

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III. Intelligence Information for CVE-2026-120203

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Vendor Pages for CVE-2026-120203 (1)

Other References for CVE-2026-120203 (4)

IV. Related Vulnerabilities

Same product: ShowDoc
Same vendor: ShowDoc
Same weakness: CWE-94