CVE-2026-8786: Authorization Bypass in Tencent WeKnora
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.
AI Analysis
Technical Summary
Tencent WeKnora up to version 0.3.6 contains an authorization bypass vulnerability in the getKnowledgeBaseForInitialization function of the Config API Endpoint. By manipulating the kbId argument, an attacker can bypass authorization checks remotely. The vulnerability has been publicly disclosed, and the vendor has not issued a response or patch. The CVSS 4.0 score is 5.3 (medium severity), indicating a network attack vector with low complexity and no privileges required, but limited impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker to bypass authorization controls in Tencent WeKnora, potentially granting unauthorized access to knowledge base initialization data or functionality. The impact is rated medium severity, reflecting limited but non-negligible risk. There is no evidence of active exploitation in the wild.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor. Since the vendor has not responded or provided a fix, users should consider implementing additional access controls or network-level restrictions to limit exposure to the vulnerable API endpoint. Monitor vendor channels for any future advisories or patches. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-8786: Authorization Bypass in Tencent WeKnora
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.
CVSS v4.0
Score 5.3medium
Affected software
pkg:golang/github.com/tencent/weknoraRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Tencent WeKnora up to version 0.3.6 contains an authorization bypass vulnerability in the getKnowledgeBaseForInitialization function of the Config API Endpoint. By manipulating the kbId argument, an attacker can bypass authorization checks remotely. The vulnerability has been publicly disclosed, and the vendor has not issued a response or patch. The CVSS 4.0 score is 5.3 (medium severity), indicating a network attack vector with low complexity and no privileges required, but limited impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows an attacker to bypass authorization controls in Tencent WeKnora, potentially granting unauthorized access to knowledge base initialization data or functionality. The impact is rated medium severity, reflecting limited but non-negligible risk. There is no evidence of active exploitation in the wild.
Mitigation Recommendations
No official patch or remediation is currently available from the vendor. Since the vendor has not responded or provided a fix, users should consider implementing additional access controls or network-level restrictions to limit exposure to the vulnerable API endpoint. Monitor vendor channels for any future advisories or patches. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-17T10:23:37.846Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0a8946ec166c07b04d8807
Added to database: 05/18/2026, 03:36:38 UTC
Last enriched: 05/18/2026, 03:51:34 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 111
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