CVE-2026-108158 plugNmeet Server through 2.5.2 Path Traversal via /api/whiteboard/convert
Attackers can read arbitrary server files by exploiting a path traversal flaw in the whiteboard conversion endpoint of plugNmeet Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108158?
CVE-2026-108158 is a high-severity path traversal vulnerability in mynaparrot plugNmeet-server, published on 9 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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/.
Weakness: CWE-22
Which versions are affected by CVE-2026-108158?
How do I fix CVE-2026-108158?
No fix has been published for CVE-2026-108158 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-108158 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108158 exists.
Sources
Also known as GHSA-7jr3-j3rm-rx7w.