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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-42336

MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch

Description

MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch functionality due to inconsistent DNS resolution between validation and actual request execution, allowing attackers to access internal network services. This vulnerability is fixed in 2.8.1.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

1Panel-dev MaxKB

  • < 2.8.1affected

References