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OpenAI Codex GitHub token exposure via malicious branch names

March 31, 2026SC Media

SC Media reports OpenAI patched a critical Codex issue where malicious branch names could expose GitHub tokens, with BeyondTrust advising permission review and token rotation to reduce account hijack risk.

.@OpenAI patches critical Codex flaw that could expose GitHub tokens via malicious branch names.
@BeyondTrust researchers warn attackers could hijack accounts — review permissions and rotate tokens.
SC Media
token leakagepatchingaccount takeovergithubclaude codex

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