CVE-2026-8786: Authorization Bypass in Tencent WeKnora
CVE-2026-8786 is an authorization bypass vulnerability in Tencent WeKnora versions up to 0. 3. 6. The issue exists in the getKnowledgeBaseForInitialization function within the Config API Endpoint, where manipulation of the kbId argument allows bypassing authorization controls. This vulnerability can be exploited remotely without user interaction. The vendor was notified but has not responded or provided a fix. The vulnerability has a medium severity rating with a CVSS score of 5. 3. No official patch or remediation guidance is currently available.
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
CVE-2026-8786 is an authorization bypass vulnerability in Tencent WeKnora versions up to 0. 3. 6. The issue exists in the getKnowledgeBaseForInitialization function within the Config API Endpoint, where manipulation of the kbId argument allows bypassing authorization controls. This vulnerability can be exploited remotely without user interaction. The vendor was notified but has not responded or provided a fix. The vulnerability has a medium severity rating with a CVSS score of 5. 3. No official patch or remediation guidance is currently available.
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: 5/18/2026, 3:36:38 AM
Last enriched: 5/18/2026, 3:51:34 AM
Last updated: 5/18/2026, 6:00:27 AM
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.