CVE-2026-75855 ArcadeDB before 26.8.1 Path Traversal via create/drop database
Authenticated root users can exploit path traversal in ArcadeDB to write or delete arbitrary files outside the database directory.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75855?
CVE-2026-75855 is a high-severity path traversal vulnerability in ArcadeData arcadedb, published on 18 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
ArcadeDB versions before 26.8.1 fail to sanitize database names in the POST /api/v1/server endpoint's create database and drop database commands, allowing authenticated root users to write and delete arbitrary files outside the configured database directory. Attackers can supply database names containing ../ sequences to create databases at arbitrary filesystem paths or recursively delete directories the server process can access.
Weakness: CWE-22
Which versions are affected by CVE-2026-75855?
How do I fix CVE-2026-75855?
No fix has been published for CVE-2026-75855 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-2026-75855 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75855 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-qwgr-2c45-63xx, GHSA-vvcg-f4wp-c6qr.