CVE-2026-92355 Path traversal in Octopus Server
An attacker with feed modification permissions can overwrite arbitrary files via path traversal, potentially achieving remote code execution on Octopus 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-2026-92355?
CVE-2026-92355 is a high-severity path traversal vulnerability in Octopus Server, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code execution.
Weakness: CWE-22
Which versions are affected by CVE-2026-92355?
How do I fix CVE-2026-92355?
No fix has been published for CVE-2026-92355 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-2026-92355 being exploited?
There is no known exploitation of CVE-2026-92355 in the wild and no public exploit code.
Sources
Also known as GHSA-7f5m-mqg8-7jjg.