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TI-2016-07808 Aliases CVE-2016-9587GHSA-m956-frf4-m2wr

Improper input validation in Ansible

Priority MEDIUM 52CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 7 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

Ansible before versions 2.1.4, 2.2.1 is vulnerable to an improper input validation in Ansible's handling of data sent from client systems. An attacker with control over a client system being managed by Ansible and the ability to send facts back to the Ansible server could use this flaw to execute arbitrary code on the Ansible server using the Ansible server privileges.

Why it matters now

EPSS 0.17006 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Partial ansible (PyPI): 2.1.4.0, 2.2.1.0Red Hat: 5 advisoriesRed Hat: 7 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
unspecifiedAnsibleansible 2.1.4; ansible 2.2.1—No fix listedCNA
—ansible (PyPI)before 2.1.4.02.1.4.0Patch availableGHSA-m956-frf4-m2wr
—ansible (PyPI)2.2.0.0 to before 2.2.1.02.2.1.0Patch availableGHSA-m956-frf4-m2wr
  • Ansible Vendorunspecified Affected ansible 2.1.4; ansible 2.2.1 Fixed in — No fix listed CNA
  • ansible (PyPI) Vendor— Affected before 2.1.4.0 Fixed in 2.1.4.0 Patch available GHSA-m956-frf4-m2wr
  • ansible (PyPI) Vendor— Affected 2.2.0.0 to before 2.2.1.0 Fixed in 2.2.1.0 Patch available GHSA-m956-frf4-m2wr

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*before 2.1.4VulnerableRed Hat
cpe:2.3:a:ansible:ansible:*:*:*:*:*:*:*:*before 2.2.1VulnerableAnsible
cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*11VulnerableRed Hat
  • cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* Versions before 2.1.4 Vulnerable ·Red Hat
  • cpe:2.3:a:ansible:ansible:*:*:*:*:*:*:*:* Versions before 2.2.1 Vulnerable ·Ansible
  • cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·Red Hat

Remediation

  • Fix · GHSA-m956-frf4-m2wr ansible (PyPI) Fixed in 2.1.4.0 Advisory →
  • Fix · GHSA-m956-frf4-m2wr ansible (PyPI) Fixed in 2.2.1.0 Advisory →

Red Hat 5 advisories

  • RHSA-2017:1685 Released 2017-07-06 · Red Hat rating Important
    ansible security, bug fix, and enhancement update
    • Red Hat Virtualization Manager 4.1 ansible-2.3.0.0-4.el7, ansible-doc-2.3.0.0-4.el7
  • RHSA-2017:0515 Released 2017-03-14 · Red Hat rating Important
    ansible and ceph-ansible security, bug fix, and enhancement update
    • Red Hat Storage Console Installer 2 ansible-2.2.1.0-1.el7, ceph-ansible-2.1.9-1.el7scon, ceph-installer-1.2.2-1.el7scon +1
  • RHSA-2017:0448 Released 2017-03-06 · Red Hat rating Important
    ansible and openshift-ansible security and bug fix update
    • Red Hat OpenShift Container Platform 3.2 ansible-2.2.1.0-2.el7, atomic-openshift-utils-3.2.53-1.git.0.2fefc17.el7, openshift-ansible-3.2.53-1.git.0.2fefc17.el7 +5
    • Red Hat OpenShift Container Platform 3.3 ansible-2.2.1.0-2.el7, atomic-openshift-utils-3.3.67-1.git.0.7c5da0c.el7, openshift-ansible-3.3.67-1.git.0.7c5da0c.el7 +6
    • Red Hat OpenShift Container Platform 3.4 ansible-2.2.1.0-2.el7, atomic-openshift-utils-3.4.67-1.git.0.14a0b4d.el7, openshift-ansible-3.4.67-1.git.0.14a0b4d.el7 +6
Show 2 more Red Hat advisories
  • RHSA-2017:0260 Released 2017-02-07 · Red Hat rating Important
    ansible and gdeploy security and bug fix update
    • Red Hat Gluster Storage Server 3.1 on RHEL-7 ansible-2.2.1.0-2.el7, gdeploy-2.0.1-8.el7rhgs, python-passlib-1.6.5-1.el7 +1
  • RHSA-2017:0195 Released 2017-01-25 · Red Hat rating Important
    ansible security update
    • Red Hat OpenStack Platform 10.0 ansible-2.2.1.0-1.el7

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 11 (Ocata)AffectedNo fix yet
Red Hat Quickstart Cloud Installer 1AffectedNo fix planned: Will not fix
Red Hat Gluster Storage Server 3.1 on RHEL-7Fixed RHSA-2017:0260
Red Hat OpenShift Container Platform 3.2Fixed RHSA-2017:0448
Red Hat OpenShift Container Platform 3.3Fixed RHSA-2017:0448
Red Hat OpenShift Container Platform 3.4Fixed RHSA-2017:0448
Red Hat OpenStack Platform 10.0Fixed RHSA-2017:0195
Red Hat Storage Console Installer 2Fixed RHSA-2017:0515
Red Hat Virtualization Manager 4.1Fixed RHSA-2017:1685

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-9587
  2. 2026-10-03 Alias added: GHSA-m956-frf4-m2wr

References

Exploit 1

Advisory 9

Other 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences