Dcat-Admin up to 2.2.3-beta User Setting Page upload editorMDUpload editormd-image-file unrestricted upload

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k2.02

Summaryinfo

A vulnerability labeled as critical has been found in Dcat-Admin up to 2.2.3-beta. Affected is the function editorMDUpload of the file /admin/dcat-api/editor-md/upload of the component User Setting Page. Such manipulation of the argument editormd-image-file leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2026-11621. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Dcat-Admin up to 2.2.3-beta and classified as critical. Affected by this issue is the function editorMDUpload of the file /admin/dcat-api/editor-md/upload of the component User Setting Page. The manipulation of the argument editormd-image-file with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The advisory is available at yuque.com. This vulnerability is handled as CVE-2026-11621. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The exploit is available at yuque.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.7
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/08/2026 Advisory disclosed
06/08/2026 +0 days VulDB entry created
06/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: yuque.com
Status: Not defined

CVE: CVE-2026-11621 (🔒)
GCVE (CVE): GCVE-0-2026-11621
GCVE (VulDB): GCVE-100-369302
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/08/2026 22:21
Changes: 06/08/2026 22:21 (56)
Complete: 🔍
Submitter: OoooY
Cache ID: 216::103

Submitinfo

Accepted

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