FileGator privilege escalation
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.4epss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()' function through 'octdec()' conversion, with no validation. This allows an authenticated user with 'chmod' permission to upgrade their privileges to root.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
FileGator · FileGatorReferences
https://github.com/filegator/filegator/blob/master/CHANGELOG.md#7142---2026-05-18https://github.com/filegator/filegator/commit/4a44ed9a43f84505703dce669c68fb55270c3f2chttps://github.com/filegator/filegator/tree/masterhttps://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-03.jsonhttps://www.cve.org/CVERecord?id=CVE-2026-63358