WebVella ERP through 1.8.8 SQL Injection via EQL Query API

Advisories

WebVella ERP through 1.8.8 SQL Injection via EQL Query API

Severity: high
Date: 10/16/2026
Affecting: WebVella-ERP <= 1.8.8
CVE: CVE-2026-111700
CWE: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS: 7.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
References: https://hackmd.io/@hieuPenguinnn/webvella-erp-eql-text-literal-sql-injection
https://github.com/WebVella/WebVella-ERP/blob/10315fe844198b8620494f716ed75410cd54bfe6/WebVella.Erp/Eql/EqlBuilder.Sql.cs#L580-L581
https://github.com/WebVella/WebVella-ERP/blob/10315fe844198b8620494f716ed75410cd54bfe6/WebVella.Erp.Web/Controllers/WebApiController.cs#L64-L74
https://www.nuget.org/packages/WebVella.Erp/1.8.8
Credit: hieuPenguinnn
Description: WebVella ERP through 1.8.8 contains an sql injection vulnerability that allows any authenticated user to inject SQL through WHERE-clause text literals in the EQL query API. Attackers can send crafted single-quoted literals to POST /api/v3/en_US/eql, escaping the unsanitized EqlBuilder SQL interpolation to read unauthorized entities, including user and role tables.

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