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Bytebase 0.12.0 before 1.0.1 Authentication Bypass via GitLab Self-Hosted Login

GitLab · CVE-2022-51026
0 news outlets0 CERTs and agencies0 researchers

What is it?

Bytebase 0.12.0 before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user. The flaw stems from trusting client-supplied GitLab provider configuration in the POST /api/auth/login/GITLAB_SELF_HOST endpoint. Attackers can set instanceUrl to a server they control that returns an active user with a chosen email. Bytebase then issues session tokens for that principal, letting attackers impersonate existing users including the Owner or create new members.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
9.8
EPSS
–
First seen
9 h ago
Status
corroborated

All GitLab vulnerabilities