CVE-2026-100859
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Sep 27, 2026
Vendor
unknown
Description
Heym before 0.0.106 contains a credential exfiltration vulnerability in the POST /api/credentials/test endpoint that allows collaborators with shared credential access to exfiltrate the credential owner's secret. Attackers can override the destination URL in the config parameter to cause the server to send decrypted authentication secrets to attacker-controlled endpoints.