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CVE-2026-66738 is a code injection vulnerability affecting SPIP installations before version 4.4.18 when configured to use SQLite as the backend database. The flaw is present in the navigation menu endpoint, where array-typed user input is improperly handled in a way that bypasses input sanitization. The attacker-controlled value can then break out of an internal quoted string context during PHP evaluation, resulting in execution of attacker-supplied code. An authenticated attacker with at least editor (redacteur) privileges can exploit the issue with a single crafted GET request to the navigation functionality. Successful exploitation leads to arbitrary operating system command execution in the context of the web server process. Installations using MySQL as the backend are not affected.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.