CVE-2026-78416

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Source

https://cve.org/CVERecord?id=CVE-2026-78416

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78416.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-78416

Published

2026-08-24T15:36:07.971Z

Modified

2026-08-28T11:30:46.018341554Z

Severity

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

Summary

Authenticated RCE via `condition.config` JSON cleanse bypass

Details

Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78416.json",
    "cwe_ids": [
        "CWE-915"
    ],
    "cna_assigner": "Hackrate"
}

References

Affected packages

Git / github.com/craftcms/cms

Affected ranges

Type

GIT

Repo

https://github.com/craftcms/cms

Events

Introduced

daac7c1da2f701f2e9ddee1da1457ce61660b581

Fixed

c7ea105e1d2cf043e76e7847d84e5732071a26b4

Introduced

04755d93f86d07cc183db47db8a0eee106892e30

Fixed

5c055703a13ba3a52bf013d7ba6c0223d6f62ef8

Database specific

Show details

{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "4.0.0-RC1"
        },
        {
            "fixed": "4.18.2"
        },
        {
            "introduced": "5.0.0-RC1"
        },
        {
            "fixed": "5.10.6"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-78416.json"