CVE-2025-69820 Path traversal in n/a
A remote attacker can exploit a directory traversal flaw in the Beam library to access sensitive information via the joinCleanPath function.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-69820?
CVE-2025-69820 is a medium-severity path traversal vulnerability in n/a, published on 22 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.
Weakness: CWE-22
Which versions are affected by CVE-2025-69820?
It affects 1 product.
Products include Beam Beta9.
How do I fix CVE-2025-69820?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-69820 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69820 exists.