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CVE Vulnerability Details :
CVE-2026-8786
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-18 May, 2026 | 03:00
Updated At-18 May, 2026 | 14:28
Rejected At-
▼CVE Numbering Authority (CNA)
Tencent WeKnora Config API Endpoint initialization.go getKnowledgeBaseForInitialization authorization

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.

Affected Products
Vendor
Tencent
Product
WeKnora
CPEs
  • cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*
Modules
  • Config API Endpoint
Versions
Affected
  • 0.3.0
  • 0.3.1
  • 0.3.2
  • 0.3.3
  • 0.3.4
  • 0.3.5
  • 0.3.6
Problem Types
TypeCWE IDDescription
CWECWE-639Authorization Bypass
CWECWE-285Improper Authorization
Type: CWE
CWE ID: CWE-639
Description: Authorization Bypass
Type: CWE
CWE ID: CWE-285
Description: Improper Authorization
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS: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
3.16.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.06.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.06.5N/A
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS: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
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 6.5
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Eric-z (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-17 00:00:00
VulDB entry created2026-05-17 02:00:00
VulDB entry last update2026-05-17 12:28:46
Event: Advisory disclosed
Date: 2026-05-17 00:00:00
Event: VulDB entry created
Date: 2026-05-17 02:00:00
Event: VulDB entry last update
Date: 2026-05-17 12:28:46
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/364410
vdb-entry
technical-description
https://vuldb.com/vuln/364410/cti
signature
permissions-required
https://vuldb.com/submit/812172
third-party-advisory
https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b
exploit
Hyperlink: https://vuldb.com/vuln/364410
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/364410/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/812172
Resource:
third-party-advisory
Hyperlink: https://gist.github.com/YLChen-007/1cdc50418f29af7ae671466425e52c7b
Resource:
exploit
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found