CVE-2026-8430

critical · 9.2

SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the public space that is limited to certain nginx configurations, allowing attackers to execute arbitrary code in the context of the web server. Attackers can exploit this vulnerability through specific nginx configuration scenarios to achieve code execution, and this issue is not mitigated by the SPIP security screen.

9.2

CVSS

0.4%

EPSS (exploit prob.)

37th

EPSS percentile

2026-05-12

Published

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-94

References

https://blog.spip.net/
https://www.vulncheck.com/advisories/spip-prior-to-remote-code-execution-via-nginx

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-8430