CVE-2018-1086: Clusterlabs Pacemaker Command Line Interface

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd service did not properly remove the pcs debug argument from the /run_pcs query, possibly disclosing sensitive information. A remote attacker with a valid token could use this flaw to elevate their privilege.

Affected products

• Clusterlabs Pacemaker Command Line Interface: version 0.9.164 only; version 0.10 only
• Debian Debian Linux: version 9.0 only
• Red Hat Enterprise Linux Server Eus: version 7.5 only; version 7.6 only

Published 2018-04-12. Last modified 2026-06-17.