Craft CMS Admin RCE via Yii2 Behavior Injection (CVE-2026-25498)
Security AdvisoryCVE-2026-25498CriticalCraft CMS
Affected:
- Craft CMS >= 5.0.0-RC1, <= 5.8.21
- Craft CMS >= 4.0.0-RC1, <= 4.16.17
Fixed in:
- 5.8.22
- 4.16.18
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