GHSA-8HCX-P7M8-GC28
Vulnerability from github – Published: 2026-05-28 06:31 – Updated: 2026-05-28 06:31
VLAI
Details
A flaw was found in Keycloak's Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security controls, allowing the injected role to be projected into a user's authentication token when they access the modified client. This could lead to unauthorized privilege escalation within the Keycloak realm.
Severity
7.3 (High)
{
"affected": [],
"aliases": [
"CVE-2026-9795"
],
"database_specific": {
"cwe_ids": [
"CWE-266"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-28T05:16:41Z",
"severity": "HIGH"
},
"details": "A flaw was found in Keycloak\u0027s Fine-Grained Admin Permissions (FGAPv2) feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client\u0027s scope mapping. This bypasses intended security controls, allowing the injected role to be projected into a user\u0027s authentication token when they access the modified client. This could lead to unauthorized privilege escalation within the Keycloak realm.",
"id": "GHSA-8hcx-p7m8-gc28",
"modified": "2026-05-28T06:31:09Z",
"published": "2026-05-28T06:31:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9795"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-9795"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482462"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N",
"type": "CVSS_V3"
}
]
}
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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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