CVE-2026-42336 — MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch
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 functi…
Published: 2026-05-26 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7