CVE-2026-109313 Grav Login Plugin 2.7.0 before 3.9.9 2FA Bypass via Remember-Me Cookie

High 8.6 Published Updated

Attackers with valid passwords can bypass two-factor authentication by restoring a remember-me cookie, gaining unauthorized access to Grav CMS accounts.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-109313?

CVE-2026-109313 is a high-severity authentication bypass vulnerability in getgrav grav-plugin-login, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Grav Login plugin 2.7.0 before 3.9.9 contains an authentication bypass vulnerability that allows attackers with a valid password to skip two-factor authentication through remember-me cookie restoration. Attackers can obtain a persistent remember-me cookie after the password step and restore it as a fully authorized session without completing the second factor.

Weakness: CWE-287

Which versions are affected by CVE-2026-109313?

How do I fix CVE-2026-109313?

No fix has been published for CVE-2026-109313 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-109313 being exploited?

There is no known exploitation of CVE-2026-109313 in the wild and no public exploit code.

Sources

Also known as GHSA-cmg5-qw8p-gxcf, GHSA-mp6q-9gmf-c5j2.

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