CVE-2026-108821 Details
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.
A SQL injection vulnerability has been identified in Tencent WeKnora versions through 0.8.1. The issue resides in the SQL Validator component, specifically within the validateSubquery function in internal/utils/inject.go. This vulnerability allows users with the Viewer role to manipulate SQL queries, bypassing validation checks and executing arbitrary SQL. Exploitation can be done remotely, and the vulnerability has been publicly disclosed.
Users are advised to upgrade to WeKnora version 0.8.2, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 12, 2026CISA-ADP
Assessed Oct 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/k4z01/8ab2f57b015825f8738ed536dd870877 | [email protected] | ExploitTechnical Analysis |
| https://github.com/k4z01/WeKnora-SQL-Validation-Bypass/blob/main/weknora-sql-validation-bypass.md | [email protected] | ExploitTechnical Analysis |
| https://github.com/Tencent/WeKnora/ | [email protected] | Vendor |
| https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda | [email protected] | Source CodeVendor |
| https://github.com/Tencent/WeKnora/pull/3305 | [email protected] | Issue TrackingVendor |
| https://github.com/Tencent/WeKnora/releases/tag/v0.8.2 | [email protected] | Release NotesVendor |
| https://vuldb.com/cve/CVE-2026-108821 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/964272 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/416598 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/416598/cti | [email protected] | AdvisoryContent Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tencent WeKnora | <= 0.8.1 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 13, 2026 | CVE Modified | CISA-ADP |
| Oct 12, 2026 | New CVE Received | [email protected] |