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Fencer Intel
medium 4.6

CVE-2019-10156 json

Exposure of Sensitive Information to an Unauthorized Actor in ansible

published 2019-07-30 7 y ago modified 2026-06-17 4 mo ago also GHSA-grgm-pph5-j5h7 , PYSEC-2019-2 , EUVD-2019-0006

cvss
4.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

A flaw was discovered in the way Ansible templating was implemented in versions before 2.6.18, 2.7.12 and 2.8.2, causing the possibility of information disclosure through unexpected variable substitution. By taking advantage of unintended variable substitution the content of any variable may be disclosed.

Patch / fix

  • pypi ansible 2.6.18, 2.7.12, 2.8.2
  • redhat ansible 2.6.18, 2.7.12, 2.8.2
  • ansible Debian 14, Debian 13, Debian 12 2.8.3+dfsg-1

debian advisories DEBIAN-CVE-2019-10156

  • ansible Ubuntu 18.04 LTS 2.5.1+dfsg-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2019-10156

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ansible openstack 14, openstack 13 2.6.19-1.el7ae
  • ansible ansible engine 2.6 2.6.18-1.el7ae
  • ansible ansible engine 2.7 2.7.12-1.el7ae
  • ansible ansible engine 2.8, ansible engine 2 2.8.2-1.el7ae
  • ansible ansible engine 2.8, ansible engine 2 2.8.2-1.el8ae

red hat advisories RHSA-2019:3789RHSA-2019:3744RHSA-2019:1707RHSA-2019:1705RHSA-2019:1706RHSA-2019:1708

  • storm OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 1.2.3-3.6.1
  • ansible OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 2.9.14-3.15.1
  • grafana OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 6.7.4-4.12.1
  • ardana-mq OpenStack Cloud 8, HPE Helion OpenStack 8 8.0+git.1593618123.678c32b-3.26.1
  • ardana-nova OpenStack Cloud 8, HPE Helion OpenStack 8 8.0+git.1601298847.dd01585-3.42.1
  • crowbar-core OpenStack Cloud Crowbar 8 5.0+git.1600432272.b3ad722f0-3.44.1
  • python-kombu OpenStack Cloud Crowbar 8, OpenStack Cloud 8, HPE Helion OpenStack 8 4.1.0-3.7.1
  • ardana-cinder OpenStack Cloud 8, HPE Helion OpenStack 8 8.0+git.1596129856.263f430-3.43.1

suse advisories SUSE-SU-2020:3309-1

  • ansible-14 openSUSE Tumbleweed 14.6.0-1.1
  • ansible-13 openSUSE Tumbleweed 13.7.0-1.1
  • ansible-12 openSUSE Tumbleweed 12.2.0-1.1
  • ansible-11 openSUSE Tumbleweed 11.11.0-1.1
  • ansible-10 openSUSE Tumbleweed 10.6.0-1.1
  • ansible-9 openSUSE Tumbleweed 9.8.0-1.1
  • ansible Package Hub 15 SP3, openSUSE Leap 15.3 2.9.21-bp153.2.3.1

opensuse advisories openSUSE-SU-2026:12447-1openSUSE-SU-2026:10944-1openSUSE-SU-2025:15753-1openSUSE-SU-2025:15605-1openSUSE-SU-2024:14536-1openSUSE-SU-2024:14244-1

  • ansible Alpine 3.12, Alpine 3.11, Alpine 3.10 2.8.2-r0
  • ansible Alpine 3.8 2.6.18-r0
  • ansible-base Alpine 3.15, Alpine 3.14, Alpine 3.13 2.8.2-r0

alpine advisories ALPINE-CVE-2019-10156

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-10156 updated cvss 4.6

ansible: unsafe template evaluation of returned module data can lead to information disclosure

  • Red Hat CloudForms Management Engine 5 ansible
    affected: no fix planned “Out of support scope”
  • Red Hat Ansible Tower 3 ansible
    affected: no fix available
  • Red Hat Ceph Storage 2 ansible
    affected: no fix planned “Will not fix”
  • Red Hat Ceph Storage 3 ansible
    affected: no fix available
  • Red Hat Enterprise Linux 7 ansible
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 3.2 ansible Red Hat OpenShift Container Platform 3.3 ansible Red Hat OpenShift Container Platform 3.4 ansible Red Hat OpenShift Container Platform 3.5 ansible Red Hat OpenShift Container Platform 3.6 ansible Red Hat OpenShift Container Platform 3.7 ansible
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 10 (Newton) ansible Red Hat Storage 3 ansible
    affected: no fix planned “Will not fix”
  • Red Hat Ansible Engine 2 for RHEL 7 ansible 2.8.2-1.el7ae Red Hat Ansible Engine 2 for RHEL 8 ansible 2.8.2-1.el8ae
    fixed: vendor fix RHSA-2019:1706
show 5 more
  • Red Hat Ansible Engine 2.6 for RHEL 7 Server ansible 2.6.18-1.el7ae
    fixed: vendor fix RHSA-2019:1707
  • Red Hat Ansible Engine 2.7 for RHEL 7 Server ansible 2.7.12-1.el7ae
    fixed: vendor fix RHSA-2019:1705
  • Red Hat Ansible Engine 2.8 for RHEL 7 Server ansible 2.8.2-1.el7ae Red Hat Ansible Engine 2.8 for RHEL 8 ansible 2.8.2-1.el8ae
    fixed: vendor fix RHSA-2019:1708
  • Red Hat OpenStack Platform 13.0 ansible 2.6.19-1.el7ae
    fixed: vendor fix RHSA-2019:3789
  • Red Hat OpenStack Platform 14.0 ansible 2.6.19-1.el7ae
    fixed: vendor fix RHSA-2019:3744

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.6 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi ansible
<2.6.18
>=2.7.0a1, <2.7.12
>=2.8.0a1, <2.8.2
>=2.7.0, <2.7.12
>=2.8.0, <2.8.2
2.6.18
2.7.12
2.8.2

Affected products

  • Red Hat ansible

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.