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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/getgrav/grav/security/advisories/GHSA-cmg5-qw8p-gxcf cve-icon cve-icon
https://www.vulncheck.com/advisories/grav-login-plugin-2.7.0-before-3.9.9-2fa-bypass-via-remember-me-cookie cve-icon cve-icon
History

Mon, 12 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Grav Login Plugin 2.7.0 before 3.9.9 2FA Bypass via Remember-Me Cookie
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-12T16:05:08.299Z

Reserved: 2026-10-12T14:14:27.021Z

Link: CVE-2026-109313

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-12T17:17:26.043

Modified: 2026-10-12T17:17:26.043

Link: CVE-2026-109313

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T19:00:07Z

Weaknesses