CERT.PL MWDB Core up to 2.18.x Config/Blob Upload Endpoints improper authorization

Summaryinfo

A vulnerability classified as problematic has been found in CERT.PL MWDB Core up to 2.18.x. Affected by this issue is some unknown functionality of the component Config/Blob Upload Endpoints. This manipulation causes improper authorization. This vulnerability is tracked as CVE-2026-66724. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in CERT.PL MWDB Core up to 2.18.x and classified as problematic. Affected by this vulnerability is some unknown processing of the component Config/Blob Upload Endpoints. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity. The summary by CVE is:

MWDB Core versions >=2.0.0 and <2.19.0 contain a missing authorization vulnerability in the deprecated config and blob upload endpoints. These endpoints accept the undocumented POST method, which bypasses the capability checks applied to the documented PUT method. This allows any authenticated user without the adding_configs or adding_blobs capabilities to upload config and text blob objects to the system. The impact is limited to adding new config and blob objects. This issue has been fixed in version 2.19.0

It is possible to read the advisory at cert.pl. This vulnerability is known as CVE-2026-66724 since 07/27/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 2.19.0 eliminates this vulnerability.

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Productinfo

Vendor

• CERT.PL

Name

• MWDB Core

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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