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CVE-2026-8786

Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization

Published: May 18, 2026Updated: May 19, 2026 Sources: CVE List NVDCWE-285
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
0.3%
Top 81.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-285CWE-639

Affected Products

weknoratencent
Mixed
Communications / messaging-chat
WeKnoraTencent
Mixed
Communications / messaging-chat
tencentcommercialCNCommunicationsaka tencent wechat, tencent hunyuan

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b
gist.github.com
https://vuldb.com/submit/812172
vuldb.com
https://vuldb.com/vuln/364410
vuldb.com
and 1 more references View all →

Timeline

Published
May 18, 2026
Last Updated
May 19, 2026

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