PT-2026-103501 · Yii2 Starter Kit · Yii2-Starter-Kit

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CVE-2026-103476

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Published

2026-09-30

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Updated

2026-09-30

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 Attackers can enumerate sequential attachment identifiers to retrieve files from unpublished articles without authentication or authorization checks.

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-103476

Affected Products

Yii2-Starter-Kit