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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-109321

Grav Login OAuth Plugin before 1.4.3 Predictable Local Credentials Authentication Bypass

Description

Grav Login OAuth plugin (grav-plugin-login-oauth) before 1.4.3 provisions OAuth accounts as ordinary Grav users with a deterministic <provider>.<id> username and an unsalted MD5 hash of the provider identifier as the password, without disabling password login. Unauthenticated remote attackers who learn or guess a provider identifier can reproduce these credentials and log in, gaining administrative control of privileged accounts.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

getgrav grav-plugin-login-oauth

Default version status: unaffected

  • 1.0.0-beta.1 to < 1.4.3affected
  • 1.4.3unaffected

References