CVE-2018-1086

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

1.9% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2018-04-12 16:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 01:50 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.9% in the next 30 days (EPSS).
• Severity: 4.3 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2018-04-12 16:29 UTC

Last modified

2026-06-17 01:50 UTC

Exploit probability

1.9% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Clusterlabs Pacemaker Command Line Interface 0.9.164
• Clusterlabs Pacemaker Command Line Interface 0.10
• Debian Linux 9.0
• Redhat Enterprise Linux Server Eus 7.5
• Redhat Enterprise Linux Server Eus 7.6

Attack profile CVSS 3.0 · 4.3

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-1086.md and follow it. Check whether this project is affected by CVE-2018-1086. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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