Dcat-Admin User Setting upload editorMDUpload unrestricted upload
CVE-2026-11621

5.1MEDIUM

Key Information:

Status
Dcat-admin
Vendor
CVE Published:
9 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11621?

A weakness has been identified in Dcat-Admin up to 2.2.3-beta. This impacts the function editorMDUpload of the file /admin/dcat-api/editor-md/upload of the component User Setting Page. This manipulation of the argument editormd-image-file causes unrestricted upload. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Affected Version(s)

Dcat-Admin 2.2.3-beta

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-2026-11621 - Proof of Concept

References

https://vuldb.com/vuln/369302
vdb-entrytechnical-description
https://vuldb.com/vuln/369302/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11621
third-party-advisory

CVSS V4

Score:
5.1
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

OoooY (VulDB User)
.