CVE-2026-8430 json
SPIP < 4.4.14 Remote Code Execution via nginx
published 2026-05-12 5 mo ago modified 2026-07-14 3 mo ago also EUVD-2026-29748
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- SPIP SPIP 4.4.14
- spip Debian 13 4.4.15+dfsg-0+deb13u1
- spip Debian 14 4.4.14+dfsg-1
debian advisories DEBIAN-CVE-2026-8430
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.2 | 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 |
| CNA | 4.0 | 9.2 | 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 |
Affected products
- SPIP SPIP
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
blog.spip.net
/
vendor-advisory
-
vulncheck.com
/advisories/spip-prior-to-remote-code-execution-via-nginx
third-party-advisory
Sources
- CVE List CVE-2026-8430
- NVD CVE-2026-8430
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