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CVE-2026-40042— Pachno 1.0.6 Wiki TextParser XML External Entity Injection

Quick assessment

Affected
Pachno Pachno
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.

Pachno是Pachno开源的一个用于协作的开源平台。 Pachno 1.0.6版本存在安全漏洞，该漏洞源于XML解析不安全，可能导致未经验证的攻击者读取任意文件。

CVSS 9.8 · Critical EPSS 0.62% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
Pachno Pachno 1.0.6 affected
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I. Basic Information for CVE-2026-40042

Vulnerability Information
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Vulnerability Title
Pachno 1.0.6 Wiki TextParser XML External Entity Injection
Source: CVE Program / CVE List V5
Vulnerability Description
Pachno 1.0.6 contains an XML external entity injection vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting unsafe XML parsing in the TextParser helper. Attackers can inject malicious XML entities through wiki table syntax and inline tags in issue descriptions, comments, and wiki articles to trigger entity resolution via simplexml_load_string() without LIBXML_NONET restrictions.
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
将文件描述符暴露给不受控制的范围(文件描述符泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Pachno 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pachno是Pachno开源的一个用于协作的开源平台。 Pachno 1.0.6版本存在安全漏洞，该漏洞源于XML解析不安全，可能导致未经验证的攻击者读取任意文件。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Pachno Pachno 1.0.6 -

II. Public POCs for CVE-2026-40042

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III. Intelligence Information for CVE-2026-40042

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News Coverage for CVE-2026-40042 (1)

Same Patch Batch · Pachno · 2026-04-13 · 6 CVEs total

CVE-2026-40044 9.8 CRITICAL Pachno 1.0.6 FileCache Deserialization Remote Code Execution
CVE-2026-40040 8.8 HIGH Pachno 1.0.6 Unrestricted File Upload Remote Code Execution
CVE-2026-40038 7.2 HIGH Pachno 1.0.6 Stored Cross-Site Scripting via Multiple Parameters
CVE-2026-40039 6.5 MEDIUM Pachno 1.0.6 Open Redirection via return_to Parameter
CVE-2026-40041 4.3 MEDIUM Pachno 1.0.6 Cross-Site Request Forgery via State-Changing Endpoints

IV. Related Vulnerabilities

Same product: Pachno
Same vendor: Pachno
Same weakness: CWE-403

V. Comments for CVE-2026-40042

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