OpenAI Codex Security and Integration
On 20 May, OpenAI reported that 1Password had introduced an integration intended to secure coding agents using OpenAI Codex. By 29 May, OpenAI reported that a credential-theft supply-chain attack had compromised the Codex tool. OpenAI described a critical command-injection flaw that allowed attackers to steal GitHub OAuth tokens through unsanitized branch names. A security integration followed by token theft nine days later is an awkward sequence, even by software supply-chain standards.
If factual, the impact is 0%. The incident affects Codex users whose workflows expose GitHub OAuth tokens through malicious branch names, but the assigned impact indicates no measurable change beyond those directly exposed workflows.
Watch for a technical disclosure detailing the affected Codex versions, remediation, and whether users need to revoke GitHub OAuth tokens. Confirmation from 1Password, GitHub, or affected users would materially change the current 5% reliability assessment.
<!-- SC_OFF --><div class="md"><p>BeyondTrust Phantom Labs disclosed a command injection vulnerability in OpenAI Codex on March 30. The branch name parameter was passed directly
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