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CVE-2026-14702— zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values

Quick assessment

Affected
zcaceres markdownify-mcp
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.

zcaceres markdownify-mcp是zcaceres个人开发者的一款网页内容格式转换工具。 zcaceres markdownify-mcp 1.1.0及之前版本存在加密问题漏洞，该漏洞源于函数saveToTempFile中生成的值不够随机，可能导致本地攻击者获取敏感信息。

CVSS 2.5 · Low EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 2

VendorProduct Version RangeStatus
zcaceres markdownify-mcp 1.0 affected
1.1.0 affected
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I. Basic Information for CVE-2026-14702

Vulnerability Information
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Vulnerability Title
zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in zcaceres markdownify-mcp up to 1.1.0. This impacts the function saveToTempFile of the file src/Markdownify.ts of the component webpage-to-markdown/youtube-to-markdown/bing-search-to-markdown. This manipulation causes insufficiently random values. The attack is restricted to local execution. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不充分的随机数
Source: CVE Program / CVE List V5
Vulnerability Title
zcaceres markdownify-mcp 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zcaceres markdownify-mcp是zcaceres个人开发者的一款网页内容格式转换工具。 zcaceres markdownify-mcp 1.1.0及之前版本存在加密问题漏洞，该漏洞源于函数saveToTempFile中生成的值不够随机，可能导致本地攻击者获取敏感信息。
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
zcaceres markdownify-mcp 1.0 cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14702

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-14702

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Patches & Fixes for CVE-2026-14702 (1)

News Coverage for CVE-2026-14702 (1)

Other References for CVE-2026-14702 (1)

IV. Related Vulnerabilities

Same product: markdownify-mcp
Same vendor: zcaceres
Same weakness: CWE-330

V. Comments for CVE-2026-14702

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