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CVE-2026-40044— Pachno 1.0.6 FileCache Deserialization Remote Code Execution

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版本存在代码问题漏洞，该漏洞源于反序列化不安全，可能导致未经验证的攻击者执行任意代码。

CVSS 9.8 · Critical EPSS 0.48% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
Pachno Pachno 1.0.6 affected
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I. Basic Information for CVE-2026-40044

Vulnerability Information
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Vulnerability Title
Pachno 1.0.6 FileCache Deserialization Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Pachno 1.0.6 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting malicious serialized objects into cache files. Attackers can write PHP object payloads to world-writable cache files with predictable names in the cache directory, which are unserialized during framework bootstrap before authentication checks occur.
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
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Pachno 代码问题漏洞
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版本存在代码问题漏洞，该漏洞源于反序列化不安全，可能导致未经验证的攻击者执行任意代码。
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-2026-40044

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III. Intelligence Information for CVE-2026-40044

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Vendor Advisories for CVE-2026-40044 (1)

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

CVE-2026-40042 9.8 CRITICAL Pachno 1.0.6 Wiki TextParser XML External Entity Injection
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-502

V. Comments for CVE-2026-40044

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