DevChallenges.io, a platform dedicated to helping developers practice and improve their coding skills, has allegedly been compromised in a recent data breach. The incident, which reportedly took place in February 2026, surfaced when an unidentified actor published a database purportedly belonging to the platform on a prominent hacking forum for public download.
According to the actor, the leaked database contains 20,218 lines of user records. Based on the claims and the provided data samples, the allegedly compromised data includes:
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Full names (display names)
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Email addresses
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Subscription invoices
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Feedback invoices
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GitHub usernames and profile avatar URLs
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Unique user identifiers (UUIDs)
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Platform feedback logs and solution descriptions
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