CVE-2026-108821

Tencent WeKnora SQL Validator inject.go validateSubquery sql injection

State: Published
Severity: 5.3 Medium
Published: Oct 12, 2026
Updated: Oct 13, 2026
Reserved: Oct 11, 2026

Description

A 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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	6.3 Medium	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	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-89 SQL Injection
CWE-74 Injection

Affected Products

Product	Versions
WeKnoraTencent	0.8.0Affected 0.8.1Affected 0.8.2Not affected

References

VDB-416598 | Tencent WeKnora SQL Validator inject.go validateSubquery sql injectionvdb-entrytechnical-description
VDB-416598 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-108821 | CVE Analysis and Reportthird-party-advisory
Submit #964272 | Tencent WeKnora main SQL Injectionthird-party-advisory
https://gist.github.com/k4z01/8ab2f57b015825f8738ed536dd870877exploit
https://github.com/Tencent/WeKnora/pull/3305issue-trackingpatch
https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1ddapatch
https://github.com/Tencent/WeKnora/releases/tag/v0.8.2patch
https://github.com/k4z01/WeKnora-SQL-Validation-Bypass/blob/main/weknora-sql-validation-bypass.mdrelated
https://github.com/Tencent/WeKnora/product

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.