Medium severity4.8NVD Advisory· Published Jul 29, 2026· Updated Jul 30, 2026
CVE-2026-66400
CVE-2026-66400
Description
Grav Login Plugin versions before 3.8.13 contain an insufficient session expiration vulnerability in TokenStorage.php where the findTriplet() method fails to properly validate Remember Me token timestamps. Attackers with a captured Remember Me cookie can authenticate indefinitely instead of the configured timeout period, as the expiry check compares an array to a scalar value which always evaluates incorrectly in PHP.
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Affected products
2- Range: <3.8.13
Patches
Vulnerability mechanics
References
2News mentions
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