EUVD-2026-81292

Craft CMS 4.8.0 through 4.18.5 and 5.0.0 through 5.10.12 sign an authenticated user's attacker-controlled license-shun cookie with the same key and format used to validate signed redirect parameters, because the HMAC signature is not bound to its purpose Yii's cookieValidationKey is derived from...

CVE-2026-92592

Craft CMS 4.8.0–4.18.5 and 5.0.0–5.10.12 are affected by a remote code execution vulnerability (CVSS 3.1 score 8.8 High ). The root cause is that the HMAC signature for the license-shun cookie is not bound to its purpose—Yii's cookieValidationKey derives from the same Craft securityKey used for s...