Haiou for Codex, AI gateway advertisement on certain inputs
Original headline코덱스용 Haiou, 특정 입력에 AI 게이트웨이 광고
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Haiou 4.5.0, a package built for Codex, was found to inject third-party AI gateway advertisements when users enter specific inputs, according to an analysis published by Check Point Research on the 3rd. The trigger phrases include greetings such as "hi" and "hello," along with "ctf," "coach," and Chinese-language greetings, and the ads promote the API relay and gateway at zz.aiapi2025.top. The advertising instruction was embedded in the package's 00-identity.md prompt file, which directs the model to reply with a single line of ad copy and no other explanation when a designated input appears. The finding matters because a prompt-level ad injection can alter model responses without any change to the underlying API or user code, raising questions about transparency in packaged AI tooling. What to watch next is whether other Haiou releases or similar Codex wrappers carry the same hidden prompt directives, and whether the vendor removes or makes the ads configurable.
Muhabbit's AI wrote this summary in its own words from TokenPost's report and translated it from Korean. It can get details wrong, so check the source.
Named in this story
Haiou, Check Point Research, zz.aiapi2025.top