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vuln-cve/data/2026/44xxx/CVE-2026-44646.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-44646",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-07T15:30:10.875Z",
"datePublished": "2026-06-17T22:25:15.319Z",
"dateUpdated": "2026-06-18T13:53:51.906Z"
},
"containers": {
"cna": {
"title": "LiquidJS: `{% render %}` tag silently bypasses per-render `ownPropertyOnly:true` via `Context.spawn()`",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-693",
"lang": "en",
"description": "CWE-693: Protection Mechanism Failure",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/harttle/liquidjs/security/advisories/GHSA-9x9p-qf8f-mvjg",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/harttle/liquidjs/security/advisories/GHSA-9x9p-qf8f-mvjg"
},
{
"name": "https://github.com/harttle/liquidjs/commit/dbbf6288030591bf6da28d8c1cce5a17bca97bb6",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/harttle/liquidjs/commit/dbbf6288030591bf6da28d8c1cce5a17bca97bb6"
},
{
"name": "https://github.com/harttle/liquidjs/releases/tag/v10.26.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/harttle/liquidjs/releases/tag/v10.26.0"
}
],
"affected": [
{
"vendor": "harttle",
"product": "liquidjs",
"versions": [
{
"version": "< 10.26.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-17T22:25:15.319Z"
},
"descriptions": [
{
"lang": "en",
"value": "LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, Context.spawn() creates a child Context for the {% render %} tag but does not propagate the parent context's resolved ownPropertyOnly value, resulting in a silent bypass. The new context re-derives ownPropertyOnly from opts.ownPropertyOnly (the instance-level option), silently discarding any RenderOptions.ownPropertyOnly override that was supplied to parseAndRender(). As a result, a developer who runs a Liquid instance with the backwards-compatible ownPropertyOnly:false and then locks down an untrusted render with parseAndRender(..., { ownPropertyOnly: true }) still leaks prototype-chain properties from inside any {% render %} partial. This is a distinct exploit surface from the previously identified array-filter variants (where, reject, group_by, find, find_index, has) — the underlying root cause in Context.spawn() is shared, but {% render %} is a separately reachable sink that needs no filter usage. This issue has been fixed in version 10.26.0."
}
],
"source": {
"advisory": "GHSA-9x9p-qf8f-mvjg",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/harttle/liquidjs/security/advisories/GHSA-9x9p-qf8f-mvjg",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-18T13:45:29.819664Z",
"id": "CVE-2026-44646",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-18T13:53:51.906Z"
}
}
]
}
}