CVE-2026-42336mediumCWE-367CWE-918

CVE-2026-42336: medium-severity vulnerability in 1Panel-dev MaxKB

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

Published · Updated

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.1epss 0.2%
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
Affected products
1Panel-dev · MaxKB