CVE-2026-103476
5.3 MEDIUMpublic exploit availablePublished 2026-09-30 · Updated 2026-10-01
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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 Attackers can enumerate sequential attachment identifiers to retrieve files from unpublished articles without authentication or authorization checks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-639
Public exploit & PoC references
All references
- https://github.com/yii-starter-kit/yii2-starter-kit
- https://github.com/yii-starter-kit/yii2-starter-kit/blob/cc2c451e8c959c7300b04efea597706a38609f58/frontend/controllers/ArticleController.php#L69
- 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-download-via-attachment-download
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
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- MEDIUMCVE-2025-71420PoC
- UNSCOREDCVE-2026-100177PoC
- HIGHCVE-2026-100268
- MEDIUMCVE-2026-100272
- HIGHCVE-2026-100514
- HIGHCVE-2026-100517
- MEDIUMCVE-2026-100531PoC
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