CERT.PL Core up to 2.18.x Remote Instances Proxy API improper authorization

Summaryinfo

A vulnerability described as critical has been identified in CERT.PL Core up to 2.18.x. Affected by this vulnerability is an unknown functionality of the component Remote Instances Proxy API. The manipulation results in improper authorization. This vulnerability is identified as CVE-2026-66723. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in CERT.PL Core up to 2.18.x. Affected is an unknown code block of the component Remote Instances Proxy API. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

MWDB Core versions >=2.2.0 and <2.19.0 contain a missing authorization vulnerability in the Remote Instances proxy API. The proxy API does not verify authentication for incoming requests, allowing an unauthenticated remote attacker to send arbitrary requests to a remote MWDB instance using the identity and permissions associated with the configured API key. This can result in unauthorized actions being performed on the remote instance as if executed by the user whose API key was used to set up the remote instance. The vulnerability is limited to deployments where Remote Instances have been configured.This issue has been fixed in version 2.19.0

The advisory is available at cert.pl. This vulnerability is traded as CVE-2026-66723 since 07/27/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 2.19.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• CERT.PL

Name

• 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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• 🔒
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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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