What is CVE-2018-16856?

CVE-2018-16856 is a medium-severity vulnerability in OpenStack Octavia, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2019-03-26.

How severe is CVE-2018-16856?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in OpenStack Octavia

CVE-2018-16856

In a default Red Hat Openstack Platform Director installation, openstack-octavia before versions openstack-octavia 2.0.2-5 and openstack-octavia-3.0.1-0.20181009115732 creates log files that are readable by all users. Sensitive information such as private keys can appear in these log files allowing for information exposure.

Published 2019-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

OpenStack Octavia
[Unknown] Openstack-Octavia — versions openstack-octavia-3.0.1-0.20181009115732, 2.0.2-5
Red Hat OpenStack — versions 12, 13, 14

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-16856?: CVE-2018-16856 is a medium-severity vulnerability in OpenStack Octavia, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2019-03-26.
How severe is CVE-2018-16856?: Medium severity. CVSS v3 base score is 5.5 out of 10.