(CVE-2026-96369)
Vulnerability from drupal – Published: 2026-09-23 16:17 – Updated: 2026-09-23 16:46 – Source websiteThe Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data.
When Webform is used with JSON:API enabled, submissions may be cached without varying correctly by the authenticated user. If a webform is configured so that authenticated users can view their own submissions, a request to the JSON:API webform submission collection can return a cached response generated for a different user.
This can allow an authenticated user to view another user's webform submission data through the JSON:API collection endpoint.
This vulnerability is mitigated by the fact that JSON:API must be enabled, the affected webform must expose submissions through JSON:API, and the attacker must have an account with permission to view their own submissions for the affected webform.
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"affected_versions": "\u003c6.2.12 || \u003e=6.3.0 \u003c6.3.1"
},
"package": {
"ecosystem": "Packagist:https://packages.drupal.org/8",
"name": "drupal/webform"
},
"ranges": [
{
"database_specific": {
"constraint": "\u003c6.2.12"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "6.2.12"
}
],
"type": "ECOSYSTEM"
},
{
"database_specific": {
"constraint": "\u003e=6.3.0 \u003c6.3.1"
},
"events": [
{
"introduced": "6.3.0"
},
{
"fixed": "6.3.1"
}
],
"type": "ECOSYSTEM"
}
],
"severity": []
}
],
"aliases": [
"CVE-2026-96369"
],
"credits": [
{
"contact": [
"https://www.drupal.org/u/giuseppe87"
],
"name": "Giuseppe (giuseppe87)"
}
],
"details": "The Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data.\n\nWhen Webform is used with JSON:API enabled, submissions may be cached without varying correctly by the authenticated user. If a webform is configured so that authenticated users can view their own submissions, a request to the JSON:API webform submission collection can return a cached response generated for a different user.\n\nThis can allow an authenticated user to view another user\u0027s webform submission data through the JSON:API collection endpoint.\n\nThis vulnerability is mitigated by the fact that JSON:API must be enabled, the affected webform must expose submissions through JSON:API, and the attacker must have an account with permission to view their own submissions for the affected webform.",
"id": "DRUPAL-CONTRIB-2026-165",
"modified": "2026-09-23T16:46:13.000Z",
"published": "2026-09-23T16:17:08.000Z",
"references": [
{
"type": "WEB",
"url": "https://www.drupal.org/sa-contrib-2026-165"
}
],
"schema_version": "1.7.0"
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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