CVE-2026-8786
Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 18, 2026
- Updated
- May 18, 2026
- Reserved
- May 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WeKnoraTencent |
|
References
- VDB-364410 | Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorizationvdb-entrytechnical-description
- VDB-364410 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #812172 | Tencent WeKnora <= v0.3.6 Insecure Direct Object Reference (CWE-639)third-party-advisory
- https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7bexploit
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