CVE-2026-8786

Published: Mag 18, 2026 Last Modified: Mag 19, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 2,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 6,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
MEDIUM 6,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: single
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0003
Percentile
0,1th
Updated

EPSS Score Trend (Last 3 Days)

285

Improper Authorization

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control
Potential Impacts:
Read Application Data Read Files Or Directories Modify Application Data Modify Files Or Directories Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: Not Technology-Specific, Web Server, Database Server
Likelihood of Exploit: High
View CWE Details
639

Authorization Bypass Through User-Controlled Key

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Application

Weknora by Tencent

Product Information
Vendor Tencent
Product Weknora
Version Range Affected
To 0.3.6 (inclusive)
cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://gist.github.com/YLChen-007/1cdc50418f29af7ae6714664…
https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b
https://vuldb.com/submit/812172
https://vuldb.com/submit/812172
https://vuldb.com/vuln/364410
https://vuldb.com/vuln/364410
https://vuldb.com/vuln/364410/cti
https://vuldb.com/vuln/364410/cti