CVE-2026-8786

A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b	Exploit Third Party Advisory
https://vuldb.com/submit/812172	Exploit Third Party Advisory VDB Entry
https://vuldb.com/vuln/364410	Third Party Advisory VDB Entry
https://vuldb.com/vuln/364410/cti	Permissions Required VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-05-18 04:16

Updated : 2026-06-17 11:04

NVD link : CVE-2026-8786

Mitre link : CVE-2026-8786

CVE.ORG link : CVE-2026-8786

JSON object : View

Products Affected

tencent

weknora

CWE

CWE-285

Improper Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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