### Unvalidated Cache Key Generation _{}

[gitnasr]

Unvalidated Cache Key Generation

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What is the issue?

User input is being used to generate cache keys without validation or sanitization.

Why this matters

Attackers could manipulate the cache key generation to cause cache poisoning or denial of service by generating a large number of unique cache keys.

Suggested change ∙ Feature Preview

Add input validation:

if (!ValidateUserPreferences(userPreferenceDto)) {
    throw new BadRequestException("Invalid search parameters");
}
var cacheKey = CacheHelper.GenerateCacheKeyHash("SearchPosts", userPreferenceDto);

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Originally posted by @korbit-ai[bot] in #104 (comment)