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Medium · 5.3 CVE-2026-100677 EUVD-2026-87650GHSA-v7jg-f6q5-rwc7

stoatchat before 0.15.5 Account Enumeration via Error Location

Published Sep 26, 2026 · Updated Sep 30, 2026 · Assigned by VulnCheck

Description

stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses. Unauthenticated attackers can distinguish between registered and unregistered email addresses by comparing error location fields returned from POST /api/auth/session/login requests.

Affected products

VendorProductAffectedFixed
stoatchat stoatchat < 0.15.5 0.15.5

References