CVE-2026-56779 | MaxKB before 2.10.0 contains a server-side request forgery v… | CVSS 6.4 MEDIUM

Description

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 parameters. Attackers with default workspace USER role can exploit this to access internal network services by providing malicious URLs to the ToolSerializer endpoints.

Metadata

CVE ID: CVE-2026-56779
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-23 01:22 UTC
Published: 2026-06-25 18:11 UTC
Last updated: 2026-06-25 18:11 UTC
Primary CWE: CWE-918
Server-Side Request Forgery (SSRF)
Vendor / Product: 1Panel-dev / MaxKB
Sources: cve.org · NVD

Severity & Metrics

6.4 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Affected products (1)

Vendor	Product	Platform	Versions
1Panel-dev	MaxKB	—	0 < 2.10.0

Weakness (CWE)

CWE	Source	Description
CWE-918	cna	Server-Side Request Forgery (SSRF)

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N

References (3)