mynaparrot plugNmeet-server up to 2.5.2 Whiteboard Conversion Endpoint /download/uploadedFile filePath path traversal

Summaryinfo

A vulnerability identified as problematic has been detected in mynaparrot plugNmeet-server up to 2.5.2. This impacts an unknown function of the file /download/uploadedFile of the component Whiteboard Conversion Endpoint. This manipulation of the argument filePath causes path traversal. This vulnerability appears as CVE-2026-108158. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in mynaparrot plugNmeet-server up to 2.5.2. Affected by this vulnerability is some unknown functionality of the file /download/uploadedFile of the component Whiteboard Conversion Endpoint. The manipulation of the argument filePath with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

plugNmeet Server through 2.5.2 contains a path traversal vulnerability in the whiteboard conversion endpoint that allows any meeting participant to read server files via crafted filePath values. Attackers can supply ../ sequences so text or office documents are converted into page images, then fetch them unauthenticated through /download/uploadedFile/.

It is possible to read the advisory at hackmd.io. This vulnerability is known as CVE-2026-108158 since 10/09/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/09/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

Vendor

• mynaparrot

Name

• plugNmeet-server

Version

• 2.5.0
• 2.5.1
• 2.5.2

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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