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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.

在 SPIP 4.4.20 之前的版本中，未经身份验证的远程攻击者可执行任意代码，此漏洞已在野外于 2026 年 8 月被利用。该问题与对 代码块的识别错误有关，同时 函数在处理某些特殊情况（例如存在 字符）时也存在处理不当的问题。

CVSS 9.8 · Critical EPSS 0.81% · P54

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

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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