spip: SPIP before 4.4.18 contains a code injection vulnerability in SQLite-backed installations
CVE-2026-66738 is fixed in spip on 1 platform, first by DEBIAN-CVE-2026-66738, released August 13, 2026. It is not reported as exploited. Patch Radar priority: High.
SPIP before 4.4.18 contains a code injection vulnerability in SQLite-backed installations. The navigation menu endpoint improperly handles array-typed user input, which bypasses input sanitization and allows the value to break out of an internal quoted string context when evaluated as PHP. An authenticated attacker with at minimum editor (redacteur) privileges can submit a single crafted GET request to /ecrire/?exec=navigation to execute arbitrary OS commands in the web server process. MySQL-backed installations are not affected.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| spip · Debian 13.5 (trixie) | 4.4.19+dfsg-0+deb13u1 | DEBIAN-CVE-2026-66738 | Aug 13, 2026 |
| spip · Debian 14 | 4.4.18+dfsg-1 | DEBIAN-CVE-2026-66738 | Aug 13, 2026 |
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