MEDIUM 6.9 NVD
CVE-2026-103476
yii2-starter-kit through 4.2.0 fails to validate article publication status in the attachment-download endpoint, allowing unauthenticated attackers to download
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 Attackers can enumerate sequential attachment identifiers to retrieve files from unpublished articles without authentication or authorization checks.
References
- https://github.com/yii-starter-kit/yii2-starter-kit
- https://github.com/yii-starter-kit/yii2-starter-kit/blob/cc2c451e8c959c7300b04efea597706a3
- https://github.com/yii-starter-kit/yii2-starter-kit/issues/797
- https://www.vulncheck.com/advisories/yii2-starter-kit-through-4.2.0-unauthorized-file-down
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-09-30 via NVD.
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