What is CVE-2026-56779?

CVE-2026-56779 is a medium-severity vulnerability in 1panel-dev Maxkb, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.4/10. Published 2026-06-25.

How severe is CVE-2026-56779?

Medium severity. CVSS v3 base score is 6.4 out of 10.

SSRF in 1panel-dev Maxkb

CVE-2026-56779

MaxKB before 2.10.0 contains a server-side request forgery vulnerability in tool creation and update endpoints that allows authenticated users to make arbitrary server requests by supplying unvalidated downloadCallbackUrl and download_url…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

1panel-dev Maxkb — versions 0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-56779?: CVE-2026-56779 is a medium-severity vulnerability in 1panel-dev Maxkb, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.4/10. Published 2026-06-25.
How severe is CVE-2026-56779?: Medium severity. CVSS v3 base score is 6.4 out of 10.