CVE-2026-8430
SPIP < 4.4.14 Remote Code Execution via nginx
CVE-2026-8430 is a critical vulnerability (CVSS 9.2) in Spip, published May 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in spip 4.4.15+dfsg-0+deb13u1.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
SPIP < 4.4.14 Remote Code Execution via nginx
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.
- Record
CVE-2026-8430- CVSS 4.0
- 9.2 Critical
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 - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-29748
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.
- Record
EUVD-2026-29748- CVSS 4.0
- 9.2 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qjjx-7vj9-gr7c
SPIP versions prior to 4.4.14 contain a remote code execution vulnerability in the public space...
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.
- Record
GHSA-qjjx-7vj9-gr7c- CVSS 4.0
- 9.2 Critical
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 - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-8430- CVSS 4.0
- 9.2 Critical
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 - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-8430
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.
- Record
DEBIAN-CVE-2026-8430- CVSS 4.0
- 9.2 Critical
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 - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-8430
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.
- Record
UBUNTU-CVE-2026-8430- CVSS 4.0
- 9.2 Critical
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 - CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
spipDebian:13 |
before 4.4.15+dfsg-0+deb13u1, plus listed versions 4.4.10+dfsg-14.4.11+dfsg-0+deb13u14.4.11+dfsg-14.4.13+dfsg-0+deb13u14.4.13+dfsg-1 Show 9 moreShow less4.4.14+dfsg-14.4.3+dfsg-14.4.3+dfsg-1+deb13u14.4.4+dfsg-14.4.5+dfsg-14.4.6+dfsg-14.4.7+dfsg-14.4.8+dfsg-14.4.9+dfsg-1 |
4.4.15+dfsg-0+deb13u1 |
spipDebian:14 |
before 4.4.14+dfsg-1, plus listed versions 4.4.10+dfsg-14.4.11+dfsg-14.4.13+dfsg-14.4.3+dfsg-14.4.4+dfsg-1 Show 5 moreShow less4.4.5+dfsg-14.4.6+dfsg-14.4.7+dfsg-14.4.8+dfsg-14.4.9+dfsg-1 |
4.4.14+dfsg-1 |
spipUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 3.0.20-13.0.21-13.0.21-1ubuntu13.0.21-1ubuntu1+esm1 |
None known |
spipUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.1.4-33.1.4-4~deb9u3build0.18.04.13.1.4-4~deb9u5build0.18.04.13.1.4-4~deb9u5ubuntu0.1~esm2 |
None known |
spipUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 3.2.4-13.2.5-13.2.7-13.2.7-1ubuntu0.13.2.7-1ubuntu0.1+esm2 |
None known |
spipUbuntu:22.04:LTS |
All versions, plus listed versions 3.2.11-33.2.12-14.0.2-14.0.4-1 |
None known |
spipUbuntu:24.04:LTS |
All versions, plus listed versions 4.1.11+dfsg-14.1.12+dfsg-14.1.13+dfsg-14.1.15+dfsg-14.2.9+dfsg-2 |
None known |
spipUbuntu:25.10 |
All versions, plus listed versions 4.3.8+dfsg-14.4.3+dfsg-1 |
None known |
spipUbuntu:26.10 |
All versions, plus listed versions 4.4.9+dfsg-14.4.15+dfsg-14.4.16+dfsg-14.4.19+dfsg-14.4.20+dfsg-14.4.21+dfsg-1 |
None known |
spipUbuntu:26.04:LTS |
All versions, plus listed versions 4.4.3+dfsg-14.4.6+dfsg-14.4.7+dfsg-14.4.8+dfsg-14.4.9+dfsg-1 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD, OSV |