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CVE-2026-22205— SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling

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 4.4.10之前版本存在安全漏洞，该漏洞源于PHP类型转换导致身份验证绕过，可能导致未经授权的攻击者访问受保护信息。

CVSS 7.5 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
SPIP SPIP < 4.4.10 affected
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I. Basic Information for CVE-2026-22205

Vulnerability Information
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Vulnerability Title
SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling
Source: CVE Program / CVE List V5
Vulnerability Description
SPIP versions prior to 4.4.10 contain an authentication bypass vulnerability caused by PHP type juggling that allows unauthenticated attackers to access protected information. Attackers can exploit loose type comparisons in authentication logic to bypass login verification and retrieve sensitive internal data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
SPIP 安全漏洞
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 4.4.10之前版本存在安全漏洞，该漏洞源于PHP类型转换导致身份验证绕过，可能导致未经授权的攻击者访问受保护信息。
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 ~ 4.4.10 -

II. Public POCs for CVE-2026-22205

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III. Intelligence Information for CVE-2026-22205

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Vendor Advisories for CVE-2026-22205 (1)

IV. Related Vulnerabilities

Same product: SPIP
Same vendor: SPIP
Same weakness: CWE-288

V. Comments for CVE-2026-22205

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