{"id":"CVE-2026-100677","title":"stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses","summary":"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 addres…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-209"],"vendor":"stoatchat","product":"stoatchat","affected":["stoatchat < 0.15.5"],"published":"2026-09-26","updated":"2026-09-26","sourceUpdated":"2026-09-26T14:16:51.717","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100677","references":[{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/stoatchat-before-0.15.5-account-enumeration-via-error-location","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-26T13:33:20.910Z","slug":"CVE-2026-100677","body":"## Overview\n\nstoatchat 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}