CVE-2026-22665 - Identity Confusion via Case-Sensitive Username Handling - Mehmet Ince @mdisec - Vulnerability Researcher | Building security products | Security Advisor | Amateur Muay Thai fighter
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CVE-2026-22665 – Identity Confusion via Case-Sensitive Username Handling
Apr 7, 2026
Description
prompts.chat prior to commit 1464475 contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit non-deterministic username resolution to impersonate victim accounts, replace profile content on canonical URLs, and inject attacker-controlled metadata and content across the platform.
Vulnerability Information
Product / Framework: prompts.chat
Vendor Domain: prompts.chat
CVE Details:
View Full CVE Details →
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