CVE-2018-10847: Prosody

High severity, CVSS 8.8. EPSS: 1.7% chance of exploitation in the next 30 days.

prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.

Affected products

• Prosody Prosody: before 0.9.14 (fixed in 0.9.14); version 0.10.0 only; version 0.10.1 only

Published 2018-07-30. Last modified 2026-06-17.