yii2-starter-kit through 4.2.0 Debug and Gii Module Exposure
yii2-starter-kit through 4.2.0 exposes the Yii debug and Gii modules to all IP addresses by setting allowedIPs to ['*'] in its default development configuration. Unauthenticated remote attackers can access the debug endpoint to read sensitive data including session cookies and database queries, or access the Gii endpoint to generate and write PHP files into the application directory.
CVE-2026-103475
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103475
yii2-starter-kit
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "yii2-starter-kit",
"product": "yii2-starter-kit",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "4.2.0"
}
],
"packageURL": "pkg:composer/yii2-starter-kit/yii2-starter-kit",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103475
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #4822 · Revision 1
- Added to Heist Feed
- Publisher date