Home

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.

PUBLISHED Reserved 2026-05-17 | Published 2026-05-18 | Updated 2026-05-18 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Authorization Bypass

Improper Authorization

Product status

0.3.0
affected

0.3.1
affected

0.3.2
affected

0.3.3
affected

0.3.4
affected

0.3.5
affected

0.3.6
affected

Timeline

2026-05-17:Advisory disclosed
2026-05-17:VulDB entry created
2026-05-17:VulDB entry last update

Credits

Eric-z (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/364410 (VDB-364410 | Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization) vdb-entry technical-description

vuldb.com/vuln/364410/cti (VDB-364410 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/812172 (Submit #812172 | Tencent WeKnora <= v0.3.6 Insecure Direct Object Reference (CWE-639)) third-party-advisory

gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b exploit

cve.org (CVE-2026-8786)

nvd.nist.gov (CVE-2026-8786)

Download JSON