Vulnerability · Published Sep 10, 2026 · Assigned by VulnCheck
CVE-2026-88940knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint
Medium 5.3
In plain English
A medium-severity path traversal in knowns from knowns-dev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.6%top 53.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| knowns-dev | knowns | 0 – through 0.33.0 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- GitHub Security Advisory (GHSA-h73x-698r-qrvg) vendor-advisory
- https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/server/routes/workspace.go#L42-L110 technical-description
- VulnCheck Advisory: knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint third-party-advisory