SPIP < 4.4.10 Authentication Bypass via PHP Type Juggling
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-288.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA SPIP (SPIP) Fixed in 4.4.10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
SPIP — blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10…
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2026-17816 SPIP < 4.4.10 SQL Injection RCE via Union & PHP TagsPriority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22205
- 2026-10-03 Alias added: GHSA-gxmj-pr3w-6wmh
References
More Spip vulnerabilities
- TI-2023-12107 SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because… CVSS 3.1CRITICAL 9.8
- TI-2024-07895 SPIP Bigup Multipart File Upload OS Command Injection CVSS 3.1CRITICAL 9.8
- TI-2022-17317 RCE in SPIP 3.1.13 through 4.1.2 allows remote authenticated users to execute arbitrary code via the _oups parameter. CVSS 3.1HIGH 8.8
- TI-2024-35862 An authenticated arbitrary file upload vulnerability in the Documents module of SPIP… CVSS 3.1MEDIUM 6.3
- TI-2023-30183 Spip 4.1.10 Admin Account Spoofing via Malicious SVG Upload CVSS 4.0MEDIUM 4.8
- TI-2013-04002 The Security Screen (_core_/securite/ecran_securite.php) before 1.1.8 for SPIP, as used… CVSS 2.0HIGH 7.5
Sources
- CVE-2026-22205 · CVE Program
- CVE-2026-22205 · NVD
- FIRST EPSS
- GHSA-gxmj-pr3w-6wmh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences