HIGH 8.6 NVD
CVE-2026-73699
FileRun before 2026.3.0 contains a PHP object injection vulnerability that allows authenticated attackers to execute arbitrary code by exploiting incorrect opti
FileRun before 2026.3.0 contains a PHP object injection vulnerability that allows authenticated attackers to execute arbitrary code by exploiting incorrect options passed to unserialize() in the Perms::getPerms() method, where a positional array is used instead of the required named-key array to disable class instantiation. Attackers with database write access can inject a serialized gadget chain into the permissions table columns processed on every authenticated page load to write arbitrary files, such as PHP webshells, to web-accessible paths.
References
- https://filerun.com/index.php/changelog?v=2026.3.0
- https://vulncheck.com/blog/filerun-delegated-admin-sql-to-object-injection-rce
- https://www.vulncheck.com/advisories/filerun-php-object-injection-via-perms-getperms
This high severity vulnerability with a CVSS score of 8.6 was published on 2026-09-10 via NVD.
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