High
Security advisory
In Drupal versions 8.4.x versions before 8.4.5 users with permission to post comments are able to view content and comments they do not have access to, and are also able to add comments to this content. This vulnerability is mitigated by the fact that the comment system must be enabled and the attacker must have permission to post comments.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-6926
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:38 UTC · Revision 1
Source evidence
In Drupal versions 8.4.x versions before 8.4.5 users with permission to post comments are able to view content and comments they do not have access to, and are also able to add comments to this content. This vulnerability is mitigated by the fact that the comment system must be enabled and the attacker must have permission to post comments.
osv:CVE-2017-6926
Complete source record
{
"id": "3324c8936a09846524ac54f9153ecdb4e05cb288fbd1fb18700905dd96aeae46",
"url": "https://osv.dev/vulnerability/CVE-2017-6926",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-6926",
"summary": "In Drupal versions 8.4.x versions before 8.4.5 users with permission to post comments are able to view content and comments they do not have access to, and are also able to add comments to this content. This vulnerability is mitigated by the fact that the comment system must be enabled and the attacker must have permission to post comments.",
"evidence": "osv:CVE-2017-6926",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-6926",
"aliases": [
"CVE-2017-6926",
"GHSA-2p28-5mvp-2j2r"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/drupal/drupal",
"type": "GIT",
"events": [
{
"introduced": "abfe77673a5a6194ef13600e05f1ca2c5dd59db8"
},
{
"fixed": "3347ff569787d2e659a8c4b5211ea0c76894aa8a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.4.0"
},
{
"fixed": "8.4.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"8.4.4",
"8.4.3",
"8.4.1",
"8.4.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6926.json"
}
}
],
"modified": "2026-10-24T10:30:42.398018482Z",
"provider": "osv",
"references": [
"https://www.drupal.org/sa-core-2018-001"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-6926",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435374,
"published_at": "2018-03-01T23:29:00.233+00:00"
}