Vulnerability-Lookup

GHSA-6W3V-MCFH-M3Q7

Vulnerability from github – Published: 2026-06-11 18:31 – Updated: 2026-08-19 19:32

Summary

Keycloak Admin UI REST Extensions: bulk role-removal endpoints fail to perform granular permission checks

Details

A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrator with limited permissions to remove highly privileged roles from other users or groups, potentially disrupting administrative access control.

Severity

4.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-rest-admin-ui-ext"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26.7.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-11986"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-425"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-19T19:32:02Z",
    "nvd_published_at": "2026-06-11T18:16:25Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrator with limited permissions to remove highly privileged roles from other users or groups, potentially disrupting administrative access control.",
  "id": "GHSA-6w3v-mcfh-m3q7",
  "modified": "2026-08-19T19:32:02Z",
  "published": "2026-06-11T18:31:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11986"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/issues/49766"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/pull/49826"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/f3831f01fd4abceb47e9675ab5f4c17268ba9e9d"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:50848"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:50849"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2026-11986"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487906"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/releases/tag/26.7.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak Admin UI REST Extensions: bulk role-removal endpoints fail to perform granular permission checks"
}

CVE-2026-11986 (GCVE-0-2026-11986)

Vulnerability from cvelistv5 – Published: 2026-06-11 16:47 – Updated: 2026-08-05 18:45

Title

Keycloak-rest-admin-ui-ext: authorization bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of keycloak

Summary

Severity

4.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-11 18:49 UTC

CWE

CWE-425 - Direct Request ('Forced Browsing')

Assigner

redhat redhat root

References

4 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:50848	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:50849	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-11986	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2487906	issue-trackingx_refsource_REDHAT

Impacted products

4 products

Vendor	Product	Version
Red Hat	Red Hat build of Keycloak 26.6	Unaffected: 26.6.5-1 , < * (rpm) cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat	Red Hat build of Keycloak 26.6	Unaffected: 26.6-11 , < * (rpm) cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat	Red Hat build of Keycloak 26.6.5	cpe:/a:redhat:build_keycloak:26.6::el9
Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	cpe:/a:redhat:jbosseapxp

Date Public

2026-06-11 14:17

Credits

Red Hat would like to thank Wesley "Alardiians" Colquitt (Byteshyft Studios) for reporting this issue.

Show details on NVD website

JSON

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                "role": "CISA Coordinator",
                "timestamp": "2026-06-11T18:49:43.250186Z",
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      "credits": [
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      "metrics": [
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            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
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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.

Detection rules are retrieved from Rulezet.

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.

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GHSA-6W3V-MCFH-M3Q7

CVE-2026-11986 (GCVE-0-2026-11986)

Tags

Sightings

Nomenclature