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CVE-2026-77647

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组织开源的一套内容管理系统。 SPIP 4.4.20之前版本存在代码注入漏洞，该漏洞源于对<?php块的错误识别以及var_export对某些情况（如存在'<'字符）的处理不当，可能导致未经身份验证的远程攻击者执行任意代码。

CVSS 9.8 · Critical EPSS 2.29% · P83

Public Exploits 1

Metasploit · 1 spip_x_spip_filtre_rce.rb [exploit]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
SPIP SPIP < 4.4.20 affected
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I. Basic Information for CVE-2026-77647

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.
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
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组织开源的一套内容管理系统。 SPIP 4.4.20之前版本存在代码注入漏洞，该漏洞源于对<?php块的错误识别以及var_export对某些情况（如存在'<'字符）的处理不当，可能导致未经身份验证的远程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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SPIP SPIP 0 ~ 4.4.20 -

II. Public POCs for CVE-2026-77647

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-77647

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Mailing List Discussions for CVE-2026-77647 (1)

Security Blog Posts for CVE-2026-77647 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-77647

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