High severity · published May 12, 2026
CVE-2026-8430
SPIP < 4.4.14 Remote Code Execution via nginx
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
SPIP · SPIP
before 4.4.14 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8430
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-8430
blog.spip.net
https://blog.spip.net/
www.vulncheck.com
https://www.vulncheck.com/advisories/spip-prior-to-remote-code-execution-via-nginx
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