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TI-2026-65704 Aliases CVE-2026-103475GHSA-92vv-q57x-j4vj

yii2-starter-kit through 4.2.0 Debug and Gii Module Exposure

Priority MEDIUM 48CWE-489Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00397 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
yii2-starter-kityii2-starter-kitup to 4.2.0—No fix listedCNA
  • yii2-starter-kit Vendoryii2-starter-kit Affected up to 4.2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-103475
  2. 2026-10-03 Alias added: GHSA-92vv-q57x-j4vj

References

Other 3

  • TI-2026-65703 yii2-starter-kit through 4.2.0 Unrestricted File Upload RCE CVSS 4.0HIGH 8.7
  • TI-2026-65705 yii2-starter-kit through 4.2.0 Unauthorized File Download via attachment-download CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences