CVE-2026-86731

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-86731

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86731.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-86731

Aliases

GHSA-jqf5-vfg6-8cx5

Published

2026-09-08T15:14:01Z

Modified

2026-09-10T03:48:32Z

Severity

7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Craft CMS 5.0.0-RC1 before 5.10.12 Permission Escalation via UsersController

Details

Craft CMS versions 5.0.0-RC1 through 5.10.11 are missing an admin-target guard in UsersController::actionActivateUser (the users/activate-user action). While the action requires the administrateUsers permission, it does not call requireAdmin() when the targeted user is an administrator, unlike the mirror action actionDeactivateUser. As a result, an authenticated control panel user who is not an administrator but holds the administrateUsers permission can activate a pending or deliberately deactivated administrator account, which can lead to permission escalation when combined with resetting that account's password. The issue is fixed in Craft CMS 5.10.12.

Database specific

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86731.json"
}

References

Affected packages

Git / github.com/craftcms/cms

Affected ranges

Type

GIT

Repo

https://github.com/craftcms/cms

Events

Introduced

04755d93f86d07cc183db47db8a0eee106892e30

Fixed

4edc686e69515ad42f5608580e351c765b664f80

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "5.0.0-RC1"
        },
        {
            "fixed": "5.10.12"
        },
        {
            "fixed": "5.10.11"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86731.json"