CVE-2026-22665 — prompts.chat Identity Confusion via Case-Sensitive Username Handling
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…
Published: 2026-04-03 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7