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Vulnerabilities CVE-2026-66400

CVE-2026-66400

Medium
Open
TLP:CLEAR

Grav Login Plugin before 3.8.13 Insufficient Session Expiration

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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.

Details

CVSS Score
6.3
EPSS Score
0.15%

4.9th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 29, 2026
Last Modified
Jul 29, 2026
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