What is CVE-2026-56122?

CVE-2026-56122 is a high-severity vulnerability in Rickknowles Winstone Servlet Container, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-56122?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Rickknowles Winstone Servlet Container

CVE-2026-56122

Winstone Servlet Engine through 0.9.10 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by sending HTTP GET requests with dot-dot-slash sequences that are not sanitized when serving stat…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Rickknowles Winstone Servlet Container — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56122?: CVE-2026-56122 is a high-severity vulnerability in Rickknowles Winstone Servlet Container, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-56122?: High severity. CVSS v3 base score is 7.5 out of 10.