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CVE-2026-66738— SPIP < 4.4.18 Code Injection via Navigation Endpoint on SQLite

Quick assessment

Affected
SPIP SPIP
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.

SPIP是法国SPIP组织开源的一个内容管理系统。 SPIP 4.4.18之前版本存在代码注入漏洞，该漏洞源于导航菜单端点对数组类型用户输入处理不当，绕过输入清理，可能导致经过身份验证的攻击者提交特制GET请求执行任意OS命令。

CVSS 8.8 · High EPSS 0.58% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
SPIP SPIP < 4.4.18 affected
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I. Basic Information for CVE-2026-66738

Vulnerability Information
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Vulnerability Title
SPIP < 4.4.18 Code Injection via Navigation Endpoint on SQLite
Source: CVE Program / CVE List V5
Vulnerability Description
SPIP before 4.4.18 contains a code injection vulnerability in SQLite-backed installations. The navigation menu endpoint improperly handles array-typed user input, which bypasses input sanitization and allows the value to break out of an internal quoted string context when evaluated as PHP. An authenticated attacker with at minimum editor (redacteur) privileges can submit a single crafted GET request to /ecrire/?exec=navigation to execute arbitrary OS commands in the web server process. MySQL-backed installations are not affected.
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
Vulnerability Title
SPIP 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SPIP是法国SPIP组织开源的一个内容管理系统。 SPIP 4.4.18之前版本存在代码注入漏洞，该漏洞源于导航菜单端点对数组类型用户输入处理不当，绕过输入清理，可能导致经过身份验证的攻击者提交特制GET请求执行任意OS命令。
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
SPIP SPIP 0 ~ 4.4.18 -

II. Public POCs for CVE-2026-66738

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III. Intelligence Information for CVE-2026-66738

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Vendor Advisories for CVE-2026-66738 (1)

Security Blog Posts for CVE-2026-66738 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-66738

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