Tencent WeKnora SQL Validator inject.go validateSubquery sql injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-108821
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-12 10:16:43 UTC
Updated2026-10-13 19:18:10 UTC
DescriptionA security vulnerability has been detected in Tencent WeKnora up to 0.8.1. Impacted is the function validateSubquery of the file internal/utils/inject.go of the component SQL Validator. The manipulation leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.8.2 is recommended to address this issue. The identifier of the patch is d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda. It is recommended to upgrade the affected component.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.002400000 probability, percentile 0.139970000 (date 2026-10-13)

Problem Types: CWE-74 | CWE-89 | CWE-89 SQL Injection | CWE-74 Injection

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS: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/C...
4.0CNADECLARED5.3MEDIUMCVSS: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
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Tencent WeKnora affected 0.8.0 Not specified
CNA Tencent WeKnora affected 0.8.1 Not specified
CNA Tencent WeKnora unaffected 0.8.2 Not specified

References

ReferenceSourceLinkTags
github.com/Tencent/WeKnora [email protected] github.com
vuldb.com/vuln/416598/cti [email protected] vuldb.com
vuldb.com/cve/CVE-2026-108821 [email protected] vuldb.com
github.com/Tencent/WeKnora/releases/tag/v0.8.2 [email protected] github.com
github.com/Tencent/WeKnora/pull/3305 [email protected] github.com
vuldb.com/submit/964272 [email protected] vuldb.com
vuldb.com/vuln/416598 [email protected] vuldb.com
gist.github.com/k4z01/8ab2f57b015825f8738ed536dd870877 [email protected] gist.github.com
github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda [email protected] github.com
github.com/k4z01/WeKnora-SQL-Validation-Bypass/blob/main/weknora-sql-val... [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: k4z0 (VulDB User) (en)

CNA: k4z0 (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-11T00:00:00.000ZAdvisory disclosed
CNA2026-10-11T02:00:00.000ZVulDB entry created
CNA2026-10-11T19:41:08.000ZVulDB entry last update

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