Medium severity5.3NVD Advisory· Published Sep 30, 2026· Updated Sep 30, 2026
CVE-2026-103476
CVE-2026-103476
Description
yii2-starter-kit through 4.2.0 fails to validate article publication status in the attachment-download endpoint, allowing unauthenticated attackers to download files from draft articles. Attackers can enumerate sequential attachment identifiers to retrieve files from unpublished articles without authentication or authorization checks.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <=4.2.0
Patches
Vulnerability mechanics
References
3- github.com/yii-starter-kit/yii2-starter-kit/blob/cc2c451e8c959c7300b04efea597706a38609f58/frontend/controllers/ArticleController.phpnvd
- github.com/yii-starter-kit/yii2-starter-kit/issues/797nvd
- www.vulncheck.com/advisories/yii2-starter-kit-through-4.2.0-unauthorized-file-download-via-attachment-downloadnvd
News mentions
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