What is CVE-2026-88940?

CVE-2026-88940 is a medium-severity vulnerability in Knowns-Dev Knowns, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-09-10.

How severe is CVE-2026-88940?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Knowns-Dev Knowns

CVE-2026-88940

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.

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Knowns-dev Knowns

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-88940?: CVE-2026-88940 is a medium-severity vulnerability in Knowns-Dev Knowns, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-09-10.
How severe is CVE-2026-88940?: Medium severity. CVSS v3 base score is 5.3 out of 10.