Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1310 CNY

100%
Buy Us a Coffee

CVE-2026-8786— Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization

CVSS 6.3 · Medium EPSS 0.03% · P11

Possible ATT&CK Techniques 1AI

T1078 · Valid Accounts

Affected Version Matrix 7

VendorProductVersion RangeStatus
TencentWeKnora0.3.0affected
0.3.1affected
0.3.2affected
0.3.3affected
0.3.4affected
0.3.5affected
0.3.6affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-8786

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tencent WeKnora 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tencent WeKnora是中国腾讯（Tencent）公司的一个企业级LLM知识库与RAG平台。 Tencent WeKnora 0.3.6及之前版本存在授权问题漏洞，该漏洞源于Config API Endpoint组件中文件internal/handler/initialization.go的函数getKnowledgeBaseForInitialization对参数kbId的操作导致授权绕过，可能允许远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
TencentWeKnora 0.3.0 cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8786

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-8786

请登录查看更多情报信息。

Proof of Concept for CVE-2026-8786 (1)

IV. Related Vulnerabilities

Same product: WeKnora
Same vendor: Tencent
Same weakness: CWE-639

V. Comments for CVE-2026-8786

No comments yet

Leave a comment