CVE-2026-88940 knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint
Remote attackers can enumerate arbitrary directories on the host filesystem via the workspace browse endpoint, potentially identifying targets for further exploitation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88940?
CVE-2026-88940 is a medium-severity path traversal vulnerability in knowns-dev knowns, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
knowns through 0.33.0 fails to validate the path query parameter in the workspace browse endpoint, allowing remote attackers to enumerate arbitrary directories on the host filesystem. Attackers can traverse the directory structure to locate project directories and identify targets for further exploitation.
Weakness: CWE-22
Which versions are affected by CVE-2026-88940?
How do I fix CVE-2026-88940?
No fix has been published for CVE-2026-88940 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-2026-88940 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88940 exists.
Sources
Also known as GHSA-hm5p-8v8f-2vgm.