CVE-2026-33159

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Source
https://cve.org/CVERecord?id=CVE-2026-33159
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33159.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-33159
Aliases
Published
2026-03-24T17:28:37.422Z
Modified
2026-07-08T07:05:25.326590027Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Craft CMS: Unauthenticated users could execute project configuration sync operations that should be restricted trusted users
Details

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. This issue has been patched in versions 4.17.8 and 5.9.14.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-306",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33159.json"
}
References

Affected packages

Git / github.com/craftcms/cms

Affected ranges

Type
GIT
Repo
https://github.com/craftcms/cms
Events
Introduced
daac7c1da2f701f2e9ddee1da1457ce61660b581
Fixed
3262cfa628ade304f0e565f9e45b52fab0f32df3
Introduced
04755d93f86d07cc183db47db8a0eee106892e30
Fixed
13c50dd550fabe74fe5317aeca090d286f1c7556
Database specific 
{
    "extracted_events": [
        {
            "introduced": "4.0.0-RC1"
        },
        {
            "fixed": "4.17.8"
        },
        {
            "introduced": "5.0.0-RC1"
        },
        {
            "fixed": "5.9.14"
        }
    ],
    "source": "AFFECTED_FIELD"
}
Type
GIT
Repo
https://github.com/nystudio107/craft-seomatic
Events
Introduced
a31f7d211b52d55d274c66a291310ceec64c733f
Last affected
a31f7d211b52d55d274c66a291310ceec64c733f
Database specific 
{
    "extracted_events": [
        {
            "introduced": "4.0.0-NA"
        },
        {
            "last_affected": "4.0.0-NA"
        }
    ],
    "cpe": "cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:*",
    "source": "CPE_STRING"
}

Affected versions

4.*
4.0.0
4.0.0-NA
4.0.0-rc1
4.0.0-rc2
4.0.0-rc3
5.*
5.0.0-NA
5.0.0-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33159.json"