CVE-2026-45412 PUBLISHED

MaxKB: Unauthenticated SSRF via Workflow Template Import

Assigner: GitHub_M
Reserved: 12.05.2026 Published: 26.05.2026 Updated: 26.05.2026

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.1, SSRF via work_flow_template Import. Authenticated users can supply arbitrary URLs in work_flow_template.downloadUrl which are fetched server-side without any URL validation or internal IP filtering. This vulnerability is fixed in 2.9.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	1Panel-dev
Product	MaxKB
Versions	Version < 2.9.1 is affected

References

https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-x9g5-j56j-4mfj

Problem Types

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