Server-side Request Forgery Vulnerability in huimeicloud HM Editor by huimeicloud
CVE-2026-5346

6.9MEDIUM

Key Information:

Vendor

Huimeicloud

Status
Hm Editor
Vendor
CVE Published:
2 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5346?

A vulnerability exists in huimeicloud HM Editor, specifically in the image-to-base64 endpoint. An attacker can exploit this issue through the client.get function within the src/mcp-server.js file by manipulating the URL argument, enabling potential server-side request forgery. This remote attack vector can lead to unauthorized access to internal resources. Despite early communication about this issue, the vendor has not yet provided a response to mitigate the risk.

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Affected Version(s)

hm_editor 2.2.0

hm_editor 2.2.1

hm_editor 2.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5346 - Proof of Concept

References

https://vuldb.com/vuln/354701
vdb-entrytechnical-description
https://vuldb.com/vuln/354701/cti
signaturepermissions-required
https://vuldb.com/submit/781341
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

BigW (VulDB User)
VulDB CNA Team
JSON
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