Vulnerability · Published Oct 12, 2026 · Assigned by VulDB
CVE-2026-108821Tencent WeKnora SQL Validator inject.go validateSubquery sql injection
Medium 6.3
In plain English
A medium-severity SQL injection in WeKnora from Tencent. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-89, CWE-74 · Vector: 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
References
- VDB-416598 | Tencent WeKnora SQL Validator inject.go validateSubquery sql injection vdb-entry, technical-description
- VDB-416598 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108821 | CVE Analysis and Report third-party-advisory
- Submit #964272 | Tencent WeKnora main SQL Injection third-party-advisory
- https://gist.github.com/k4z01/8ab2f57b015825f8738ed536dd870877 exploit
- https://github.com/Tencent/WeKnora/pull/3305 issue-tracking, patch
- https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda patch
- https://github.com/Tencent/WeKnora/releases/tag/v0.8.2 patch
- https://github.com/k4z01/WeKnora-SQL-Validation-Bypass/blob/main/weknora-sql-validation-bypass.md related
- https://github.com/Tencent/WeKnora/ product