Remote Code Execution Vulnerability in SPIP Affected by Nginx Configurations
CVE-2026-8430

9.2CRITICAL

Key Information:

Vendor

Spip

Status
Spip
Vendor
CVE Published:
12 May 2026

What is CVE-2026-8430?

SPIP versions before 4.4.14 are susceptible to a remote code execution vulnerability attributable to specific nginx configuration setups. This flaw enables malicious actors to execute arbitrary code within the web server's context, effectively bypassing the built-in security measures from SPIP. The exploitation of this vulnerability hinges on particular nginx configurations, raising significant concerns regarding web server integrity and data safety.

Affected Version(s)

SPIP 0 < 4.4.14

References

https://blog.spip.net/
vendor-advisory
https://www.vulncheck.com/advisories/spip-prior-to-remote...
third-party-advisory

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Louka Jacques-Chevallier
.