CVE-2026-56385: Craft CMS: Authorized asset "preview file" requests bypass allows users without asset access to retrieve private preview metadata

low Affects craftcms/cms. Feed 2026.10.29.1, updated 2026-10-28; published 2026-03-26; advisory modified 2026-08-06.

Craft CMS: Authorized asset "preview file" requests bypass allows users without asset access to retrieve private preview metadata

Package: craftcms/cms Composer
Affected versions: >=5.0.0-RC1 and <5.9.14 or >=4.0.0-RC1 and <4.17.8
Fixed in: 5.9.14, 4.17.8
Severity: low
Exploitation: not on CISA KEV · EPSS 0% (29.6th percentile)
Published: 2026-03-26
Source: osv.dev

References

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