CVE-2026-121939

HIGH 8.1

Databasement before 1.10.9 Account Takeover via OIDC Email Auto-Linking

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

Databasement before 1.10.9 contains an authentication bypass vulnerability in OAuthService::findOrCreateLocalUser() that links OIDC identities to local users by email without checking email_verified. Attackers can register an identity provider account with a victim's unverified email to log in as any user, including the super-admin, and retain access after password resets.

CWE	CWE-290
Vendor	david-crty
Product	databasement
Published	Nov 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

David-Crty / Databasement

0 < 1.10.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/David-Crty/databasement/security/advisories/GHSA-mh6w-2cch-w8v8 github.com: https://github.com/David-Crty/databasement/commit/b7f4079c02b7ce3f1cf2844de182e809636c3382 github.com: https://github.com/David-Crty/databasement/releases/tag/v1.10.9 github.com: https://github.com/David-Crty/databasement/blob/v1.10.8/app/Services/OAuthService.php#L55-L68 vulncheck.com: https://www.vulncheck.com/advisories/databasement-before-1.10.9-account-takeover-via-oidc-email-auto-linking

Credits

chinosk