No exploitation reportedFix available

CVE-2018-16856

Q: Is CVE-2018-16856 actively exploited?

Active exploitation of CVE-2018-16856 has not been confirmed. Its EPSS score was 0.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-16856?

CVE-2018-16856 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2019-03-26
Fixed in3.1.0 · 3.0.2 · 2.1.0 · 2.0.3
WeaknessCWE-532

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2019-03-2618:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-16856?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-16856?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

octavia

Branch	Affected	Fixed in	Source
3.x	≥ 3.0.0.0b1, < 3.1.0	3.1.0	OSV
3.0	≥ 3.0.0, < 3.0.2	3.0.2	OSV
2.1	< 2.1.0	2.1.0	OSV
2.0	< 2.0.3	2.0.3	OSV

Redhat openstack

Branch	Affected	Fixed in	Source
12.x	= 12	no fix published	NVD
13.x	= 13	no fix published	NVD
14.x	= 14	no fix published	NVD

Openstack octavia

Branch	Affected	Fixed in	Source
3.0	≥ 3.0.0, < 3.0.1-0.20181009115732	3.0.1-0.20181009115732	NVD
2.0	≥ 2.0.0, < 2.0.2-5	2.0.2-5	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update octavia to 3.1.0 · 3.0.2 · 2.1.0 · 2.0.3

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.05.5read 2026-10-23
NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CNAweakness (CWE)CWE-532read 2026-10-23
NVDweakness (CWE)CWE-532read 2026-10-23
FIRST EPSSEPSS score0.9 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2019-03-26
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-16856?

Is CVE-2018-16856 actively exploited?

Active exploitation of CVE-2018-16856 has not been confirmed. Its EPSS score was 0.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16856?

CVE-2018-16856 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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