CVE-2026-100677
stoatchat before 0.15.5 Account Enumeration via Error Location
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 26, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-209 Generation of Error Message Containing Sensitive Information
Affected Products
| Product | Versions |
|---|---|
stoatchatstoatchat |
|
References
- GitHub Security Advisory (GHSA-h44h-xx2j-hp56)vendor-advisory
- VulnCheck Advisory: stoatchat before 0.15.5 Account Enumeration via Error Locationthird-party-advisory
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