Vulnerability · Published May 12, 2026 · Assigned by VulnCheck
CVE-2026-8429SPIP < 4.4.14 Remote Code Execution via Private Space
High 8.8
In plain English
A high-severity code injection in SPIP from SPIP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | spip | 4.4.15+dfsg-0+deb13u1 | DEBIAN-CVE-2026-8429 |
| Debian:14 | spip | 4.4.14+dfsg-1 | DEBIAN-CVE-2026-8429 |
| Ubuntu:22.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-8429 |
| Ubuntu:24.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-8429 |
| Ubuntu:25.10 | spip | no fix listed | UBUNTU-CVE-2026-8429 |
| Ubuntu:26.04:LTS | spip | no fix listed | UBUNTU-CVE-2026-8429 |
| Ubuntu:26.10 | spip | no fix listed | UBUNTU-CVE-2026-8429 |
Affected products (as reported)
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://blog.spip.net/ vendor-advisory
- https://www.vulncheck.com/advisories/spip-prior-to-remote-code-execution-via-private-space third-party-advisory