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Back to active CVEs
High · CVSS 8.8CVE-2026-89091

Ansible-core: ansible-core: ansible-galaxy collection install symlink path escape allows arbitrary file write / code executionCVE-2026-89091

Answer in brief

CVE-2026-89091 records a High severity (CVSS 8.8) vulnerability in Ansible-core: ansible-core: ansible-galaxy collection install symlink path escape allows arbitrary file write / code execution. The current sources do not mark it as known exploited. The current feed maps Red Hat/ansible-automation-platform-24/ee-minimal-rhel8 (generic), Red Hat/ansible-automation-platform-24/ee-minimal-rhel9 (generic), Red Hat/ansible-automation-platform-24/hub-rhel8 (generic), Red Hat/ansible-automation-platform-25/ansible-dev-tools-rhel8 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 8, 2026Updated Oct 8, 2026Source checked Oct 8, 2026First seen by HOL Oct 8, 2026Material review Oct 8, 2026
Upstream Advisory

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-59
Source
CVE List V5
Source checked
Oct 8, 2026
References
2 linked sources
Open source record

Key facts

Risk
High · CVSS 8.8
Exploitation
Not marked as known exploited
Affected software
55 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/ansible-automation-platform-24/ee-minimal-rhel8 (generic), Red Hat/ansible-automation-platform-24/ee-minimal-rhel9 (generic), Red Hat/ansible-automation-platform-24/hub-rhel8 (generic), Red Hat/ansible-automation-platform-25/ansible-dev-tools-rhel8 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/ansible-automation-platform-24/ee-minimal-rhel8generic*Not reported
Red Hat/ansible-automation-platform-24/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-24/hub-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/ansible-dev-tools-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/ee-minimal-rhel8generic*Not reported
Red Hat/ansible-automation-platform-25/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-25/hub-rhel8generic*Not reported
Red Hat/ansible-automation-platform-26/ansible-dev-tools-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/controller-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/de-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/de-supported-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/eda-controller-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/eda-controller-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/ee-supported-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/gateway-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/hub-rhel9generic*Not reported
Red Hat/ansible-automation-platform-26/hub-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/lightspeed-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/platform-resource-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-26/platform-resource-runner-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/aap-cloud-billing-operator-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/ansible-devspaces-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/ansible-dev-tools-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/controller-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/de-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/de-supported-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/eda-controller-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/eda-controller-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/ee-supported-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/gateway-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/hub-rhel9generic*Not reported
Red Hat/ansible-automation-platform-27/hub-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/lightspeed-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/metrics-service-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/platform-resource-rhel9-operatorgeneric*Not reported
Red Hat/ansible-automation-platform-27/platform-resource-runner-rhel9generic*Not reported
Red Hat/ansible-automation-platform/bootc-automation-portal-rhel9generic*Not reported
Red Hat/ansible-automation-platform/ee-minimal-rhel8generic*Not reported
Red Hat/ansible-automation-platform/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-tech-preview/ansible-devspaces-rhel9generic*Not reported
Red Hat/ansible-automation-platform-tech-preview/ee-minimal-rhel8generic*Not reported
Red Hat/ansible-automation-platform-tech-preview/ee-minimal-rhel9generic*Not reported
Red Hat/ansible-automation-platform-tech-preview/metrics-service-rhel9-operatorgeneric*Not reported
Red Hat/ansible-coregeneric*Not reported
Red Hat/discovery/discovery-server-rhel9generic*Not reported
Red Hat/openshift4/ose-ansible-rhel9-operatorgeneric*Not reported
Red Hat/openstack-ansible-coregeneric*Not reported
Red Hat/rhacm2/volsync-operator-bundlegeneric*Not reported
Red Hat/rhacm2/volsync-rhel9generic*Not reported
Red Hat/rhui5/installer-rhel9generic*Not reported
Red Hat/rhui5/installer-tp-rhel9generic*Not reported
Red Hat/rhui5/rhua-rhel9generic*Not reported
Red Hat/rhui5/rhua-tp-rhel9generic*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/ansible-automation-platform-24/ee-minimal-rhel8, Red Hat/ansible-automation-platform-24/ee-minimal-rhel9, Red Hat/ansible-automation-platform-24/hub-rhel8.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 8, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in ansible-core. When installing a collection with `ansible-galaxy collection install`, the archive extractor validates member paths using lexical path normalisation (os.path.abspath) instead of resolving symbolic links (os.path.realpath), and it performs no containment check on symlink-typed directory members before creating them. A crafted collection tarball can chain symlink directory entries so that a subsequent file member is written outside the intended destination directory. This allows an attacker who can get a victim to install a malicious collection to overwrite arbitrary files with the privileges of the user running ansible-galaxy, leading to code execution on the control node. This is a bypass of the fix for CVE-2020-10691.

Quoted source text, attributed separately from HOL analysis.

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