All vulnerabilities
CVE-2026-100677GHSA-h44h-xx2j-hp56

stoatchat before 0.15.5 Account Enumeration via Error Location

stoatchat stoatchat
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 30 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.26%Chance of exploitation activity in the next 30 days, higher than 16% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in0.15.5Fixed versionCVE List
Published26 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • stoatchataffected: all versions before 0.15.5CVE List
  • stoatchatunaffected: 0.15.5CVE List

References 2