CVE-2026-8429 json
SPIP < 4.4.14 Remote Code Execution via Private Space
published 2026-05-12 5 mo ago modified 2026-07-14 3 mo ago also EUVD-2026-29747
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the private space that allows attackers to execute arbitrary code in the context of the web server. Attackers can exploit this vulnerability to achieve code execution that bypasses the SPIP security screen protections.
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-2026-8429
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-private-space
third-party-advisory
Sources
- CVE List CVE-2026-8429
- NVD CVE-2026-8429
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