PT-2026-110730 · Grav · Grav-Plugin-Login

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CVE-2026-109313

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Published

2026-10-12

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Updated

2026-10-12

CVSS v4.0

8.6

High

VectorAV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Grav Login plugin versions 2.7.0 through 3.9.8
Description An authentication bypass exists that allows attackers possessing a valid password to circumvent two-factor authentication. This is achieved through remember-me cookie restoration, where an attacker obtains a persistent remember-me cookie after the password verification step and uses it to restore a fully authorized session without completing the second authentication factor.
Recommendations Update Grav Login plugin to version 3.9.9 or later.

Exploit

Fix

Improper Authentication

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Weakness Enumeration

Related Identifiers

CVE-2026-109313
GHSA-CMG5-QW8P-GXCF

Affected Products

Grav-Plugin-Login