FKIE_CVE-2026-33468
Vulnerability from fkie_nvd - Published: 2026-03-26 17:16 - Updated: 2026-06-17 10:37
Severity
Summary
Kysely is a type-safe TypeScript SQL query builder. Prior to version 0.28.14, Kysely's `DefaultQueryCompiler.sanitizeStringLiteral()` only escapes single quotes by doubling them (`'` → `''`) but does not escape backslashes. When used with the MySQL dialect (where `NO_BACKSLASH_ESCAPES` is OFF by default), an attacker can use a backslash to escape the trailing quote of a string literal, breaking out of the string context and injecting arbitrary SQL. This affects any code path that uses `ImmediateValueTransformer` to inline values — specifically `CreateIndexBuilder.where()` and `CreateViewBuilder.as()`. Version 0.28.14 contains a fix.
References
| URL | Tags | ||
|---|---|---|---|
| security-advisories@github.com | https://github.com/kysely-org/kysely/security/advisories/GHSA-8cpq-38p9-67gx | Exploit, Mitigation, Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "kysely",
"vendor": "kysely-org",
"versions": [
{
"status": "affected",
"version": "\u003c 0.28.14"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:kysely:kysely:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "030AB58C-2968-4A93-8C8D-84D7A571BB94",
"versionEndExcluding": "0.28.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Kysely is a type-safe TypeScript SQL query builder. Prior to version 0.28.14, Kysely\u0027s `DefaultQueryCompiler.sanitizeStringLiteral()` only escapes single quotes by doubling them (`\u0027` \u2192 `\u0027\u0027`) but does not escape backslashes. When used with the MySQL dialect (where `NO_BACKSLASH_ESCAPES` is OFF by default), an attacker can use a backslash to escape the trailing quote of a string literal, breaking out of the string context and injecting arbitrary SQL. This affects any code path that uses `ImmediateValueTransformer` to inline values \u2014 specifically `CreateIndexBuilder.where()` and `CreateViewBuilder.as()`. Version 0.28.14 contains a fix."
},
{
"lang": "es",
"value": "Kysely es un constructor de consultas SQL de TypeScript con seguridad de tipos. Antes de la versi\u00f3n 0.28.14, `DefaultQueryCompiler.sanitizeStringLiteral()` de Kysely solo escapaba las comillas simples duplic\u00e1ndolas (\u0027`\u0027` ? `\u0027\u0027`) pero no escapaba las barras invertidas. Cuando se usa con el dialecto de MySQL (donde `NO_BACKSLASH_ESCAPES` est\u00e1 DESACTIVADO por defecto), un atacante puede usar una barra invertida para escapar la comilla final de un literal de cadena, saliendo del contexto de la cadena e inyectando SQL arbitrario. Esto afecta a cualquier ruta de c\u00f3digo que utilice `ImmediateValueTransformer` para incrustar valores \u2014 espec\u00edficamente `CreateIndexBuilder.where()` y `CreateViewBuilder.as()`. La versi\u00f3n 0.28.14 contiene una correcci\u00f3n."
}
],
"id": "CVE-2026-33468",
"lastModified": "2026-06-17T10:37:32.943",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 5.9,
"source": "security-advisories@github.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-33468",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-26T19:48:27.840503Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-26T17:16:41.007",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Exploit",
"Mitigation",
"Vendor Advisory"
],
"url": "https://github.com/kysely-org/kysely/security/advisories/GHSA-8cpq-38p9-67gx"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-89"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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