Developer Uses Prompt Injection to Manipulate LinkedIn Recruiter Bots

Developer Uses Prompt Injection to Manipulate LinkedIn Recruiter Bots

First seen 18 May 2026, 19:50 UTC DexertoDev.UaMezha.Uawww.tomshardware.com 82% similarity 21.0

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A software developer named tmuxvim has gone viral for embedding a prompt injection in his LinkedIn profile that manipulates AI recruitment bots to communicate in Old English. By hiding an instruction in the 'Me' section of his profile, he directed bots to address him as 'My Lord' and use archaic language. This tactic resulted in humorous recruiter messages, including one that began with 'My Lord Arthur.' The incident highlights how AI systems can be unexpectedly manipulated, raising awareness about the potential for such prompt injections to influence automated tools. This playful act serves as a commentary on the ongoing issue of spam from AI-driven recruitment tools. The developer's approach has sparked discussions on social media about similar manipulative techniques. No specific vulnerabilities or exploits are reported, as this is more of a creative use of existing AI capabilities.

Key Points: • A developer embedded a prompt injection in his LinkedIn profile to troll AI recruiters. • Recruiter bots began sending messages in Old English, addressing him as 'My Lord.' • This incident illustrates the unpredictable manipulation of AI systems by users.

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Timeline

2026-05-18
Developer shares prompt injection on social media
tmuxvim posted about his LinkedIn profile modification, showcasing recruiter messages in Old English.
Dexerto
2026-05-18
Media outlets report on the viral prompt injection
Various tech news platforms, including Dev.Ua and Mezha.Ua, covered the story highlighting the humorous aspect of AI manipulation.
Dev.Ua
2026-05-18
Discussion on AI manipulation techniques grows
The incident sparked conversations on social media about other creative uses of prompt injections in AI systems.
Mezha.Ua

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