CVE-2026-100677

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56
https://www.vulncheck.com/advisories/stoatchat-before-0.15.5-account-enumeration-via-error-location
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56

Configurations

No configuration.

History

30 Sep 2026, 18:18

Type	Values Removed	Values Added
References	~~() https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56 -~~	() https://github.com/stoatchat/stoatchat/security/advisories/GHSA-h44h-xx2j-hp56 -

26 Sep 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 14:16

Updated : 2026-09-30 18:18

NVD link : CVE-2026-100677

Mitre link : CVE-2026-100677

CVE.ORG link : CVE-2026-100677

JSON object : View

Products Affected

No product.

CWE

CWE-209

Generation of Error Message Containing Sensitive Information

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