MaxKB is an open-source AI assistant for enterprise. Prior to 2.8.1, MaxKB v2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch (chat/api/oss/get_url) endpoint. The vulnerability exists due to inconsistent URL parsing between the urlparse validation function and the requests HTTP client, allowing attackers to access internal network services. This vulnerability is fixed in 2.8.1.

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History

Wed, 27 May 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared 1panel
1panel maxkb
Vendors & Products 1panel
1panel maxkb

Tue, 26 May 2026 20:30:00 +0000

Type Values Removed Values Added
Description MaxKB is an open-source AI assistant for enterprise. Prior to 2.8.1, MaxKB v2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) bypass in the OSS file service URL fetch (chat/api/oss/get_url) endpoint. The vulnerability exists due to inconsistent URL parsing between the urlparse validation function and the requests HTTP client, allowing attackers to access internal network services. This vulnerability is fixed in 2.8.1.
Title MaxKB: SSRF Bypass in MaxKB OSS URL Fetch due to URL Parsing Discrepancy
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-27T19:26:39.919Z

Reserved: 2026-04-26T13:26:14.514Z

Link: CVE-2026-42335

cve-icon Vulnrichment

Updated: 2026-05-27T19:26:18.688Z

cve-icon NVD

Status : Deferred

Published: 2026-05-26T21:16:37.017

Modified: 2026-05-27T19:41:21.417

Link: CVE-2026-42335

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T09:15:29Z

Weaknesses