FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()'… (CVE-2026-63358)
FileGator contains a vulnerability in its '/chmoditems' API endpoint where it accepts arbitrary Unix permission values without validation and passes them directly to PHP's native chmod() function. This flaw allows an authenticated user with 'chmod' permission to escalate their privileges to root. No patch information is currently available.
AI Analysis
Technical Summary
The vulnerability in FileGator arises from the '/chmoditems' API endpoint accepting arbitrary Unix permission values and passing them directly to PHP's chmod() function after octdec() conversion without any validation. This lack of validation enables an authenticated user who has 'chmod' permission to escalate their privileges to root, representing a significant security risk. The vulnerability is tracked as CVE-2026-63358 and is classified under CWE-732 (Incorrect Permission Assignment for Critical Resource). There is no information about affected versions or available patches.
Potential Impact
An authenticated user with 'chmod' permission can exploit this vulnerability to escalate their privileges to root, potentially gaining full control over the system. This can lead to unauthorized access, modification, or destruction of critical files and system resources.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict 'chmod' permissions to trusted users only and monitor for suspicious activity related to permission changes.
FileGator accepts arbitrary Unix permission values via the '/chmoditems' API endpoint and passes the value directly to PHP's native 'chmod()'… (CVE-2026-63358)
Description
FileGator contains a vulnerability in its '/chmoditems' API endpoint where it accepts arbitrary Unix permission values without validation and passes them directly to PHP's native chmod() function. This flaw allows an authenticated user with 'chmod' permission to escalate their privileges to root. No patch information is currently available.
CVSS v4.0
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in FileGator arises from the '/chmoditems' API endpoint accepting arbitrary Unix permission values and passing them directly to PHP's chmod() function after octdec() conversion without any validation. This lack of validation enables an authenticated user who has 'chmod' permission to escalate their privileges to root, representing a significant security risk. The vulnerability is tracked as CVE-2026-63358 and is classified under CWE-732 (Incorrect Permission Assignment for Critical Resource). There is no information about affected versions or available patches.
Potential Impact
An authenticated user with 'chmod' permission can exploit this vulnerability to escalate their privileges to root, potentially gaining full control over the system. This can lead to unauthorized access, modification, or destruction of critical files and system resources.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict 'chmod' permissions to trusted users only and monitor for suspicious activity related to permission changes.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-9m9p-7p6h-xv99
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-63358"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a600aa39c2644c7f8fdfd80
Added to database: 07/22/2026, 00:11:15 UTC
Last enriched: 07/22/2026, 00:39:59 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 5
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