RCE in Odt2spip
CVE-2026-104085
odt2spip plugin for SPIP before 4.4.0 contains an OS command injection vulnerability that allows authenticated authors to execute arbitrary commands by uploading a document with a maliciously crafted filename through the document import form. Attackers can embed shell metacharacters such as $(id) in a non-.odt filename, which survives insufficient sanitization in odt2spip_deplacer_fichier_upload() and LibreOffice::createCommand(), to achieve remote code execution as the web-server user during the LibreOffice conversion process.
Vulnerability class: Command Injection (OS Command Injection)
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- plugins.spip.net/odt2spip.html (product, patch)
- www.vulncheck.com/advisories/odt2spip-os-command-injection-via-document-filename (third-party-advisory)
Frequently asked questions
- What is CVE-2026-104085?
- CVE-2026-104085 is a high-severity vulnerability in Odt2spip, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-10-13.
- How severe is CVE-2026-104085?
- High severity. CVSS v3 base score is 8.8 out of 10.