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TI-2026-07724 Aliases CVE-2026-8786GHSA-4cvj-xf75-4wv6

Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization

Priority MEDIUM 57CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TencentWeKnora0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6—No fix listedCNA
  • WeKnora VendorTencent Affected 0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*up to 0.3.6VulnerableTencent
  • cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:* Versions up to 0.3.6 Vulnerable ·Tencent

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8786
  2. 2026-10-03 Alias added: GHSA-4cvj-xf75-4wv6

References

Exploit 1

  • TI-2026-23690 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation CVSS 3.1CRITICAL 10.0
  • TI-2026-23689 WeKnora: Remote Code Execution via SQL Injection Bypass in AI Database Query Tool CVSS 3.1CRITICAL 10.0
  • TI-2026-18215 WeKnora has Command Injection in MCP stdio test CVSS 3.1CRITICAL 10.0
  • TI-2026-18214 WeKnora vulnerable to SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2026-23684 WeKnora: Broken Access Control in Tenant Management CVSS 3.1HIGH 8.8
  • TI-2025-10116 Tencent WeKnora test testEmbeddingModel server-side request forgery CVSS 4.0MEDIUM 6.9
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences