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CVE-2026-8430— SPIP < 4.4.14 Remote Code Execution via nginx

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SPIP开源的一个用于创建 Internet 站点的免费软件。 SPIP 4.4.14之前版本存在代码注入漏洞，该漏洞源于特定nginx配置下公共空间远程代码执行，可能导致执行任意代码。

CVSS 8.1 · High EPSS 0.73% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SPIP SPIP < 4.4.14 affected
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I. Basic Information for CVE-2026-8430

Vulnerability Information
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Vulnerability Title
SPIP < 4.4.14 Remote Code Execution via nginx
Source: CVE Program / CVE List V5
Vulnerability Description
SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the public space that is limited to certain nginx configurations, allowing attackers to execute arbitrary code in the context of the web server. Attackers can exploit this vulnerability through specific nginx configuration scenarios to achieve code execution, and this issue is not mitigated by the SPIP security screen.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/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SPIP开源的一个用于创建 Internet 站点的免费软件。 SPIP 4.4.14之前版本存在代码注入漏洞，该漏洞源于特定nginx配置下公共空间远程代码执行，可能导致执行任意代码。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SPIP SPIP 0 ~ 4.4.14 -

II. Public POCs for CVE-2026-8430

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III. Intelligence Information for CVE-2026-8430

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Security Blog Posts for CVE-2026-8430 (1)

News Coverage for CVE-2026-8430 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-8430

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