CVE-2026-8786

LOW CVSS 4.0: 2.1 EPSS 0.27%
Updated Jun 17, 2026
Tencent
Parameter Value
CVSS 2.1 (LOW)
Affected Versions before 0.3.6
Type CWE-639 (Authorization Bypass), CWE-285 (Improper Authorization)
Vendor Tencent
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Tencent Weknora
cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*
<= 0.3.6