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CVE-2026-32763— SQL Injection via unsanitized JSON path keys when ignoring/silencing compilation errors or using `Kysely<any>`.

Quick assessment

Affected
kysely-org kysely
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kysely是Kysely开源的一个类型安全的TypeScript SQL查询构建器。 Kysely 0.28.11及之前版本存在SQL注入漏洞，该漏洞源于JSON路径编译未转义单引号，可能导致SQL注入。

CVSS 8.2 · High EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-32763

Vulnerability Information
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Vulnerability Title
SQL Injection via unsanitized JSON path keys when ignoring/silencing compilation errors or using `Kysely<any>`.
Source: CVE Program / CVE List V5
Vulnerability Description
Kysely is a type-safe TypeScript SQL query builder. Versions up to and including 0.28.11 has a SQL injection vulnerability in JSON path compilation for MySQL and SQLite dialects. The `visitJSONPathLeg()` function appends user-controlled values from `.key()` and `.at()` directly into single-quoted JSON path string literals (`'$.key'`) without escaping single quotes. An attacker can break out of the JSON path string context and inject arbitrary SQL. This is inconsistent with `sanitizeIdentifier()`, which properly doubles delimiter characters for identifiers — both are non-parameterizable SQL constructs requiring manual escaping, but only identifiers are protected. Version 0.28.12 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Kysely SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kysely是Kysely开源的一个类型安全的TypeScript SQL查询构建器。 Kysely 0.28.11及之前版本存在SQL注入漏洞，该漏洞源于JSON路径编译未转义单引号，可能导致SQL注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
kysely-org kysely >= 0.26.0, < 0.28.12 -

II. Public POCs for CVE-2026-32763

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III. Intelligence Information for CVE-2026-32763

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Patches & Fixes for CVE-2026-32763 (1)

Vendor Advisories for CVE-2026-32763 (1)

Vendor Pages for CVE-2026-32763 (1)

IV. Related Vulnerabilities

Same product: kysely
Same vendor: kysely-org
Same weakness: CWE-89

V. Comments for CVE-2026-32763

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