---
title: "CVE-2026-89091: ansible-core - Path Traversal & Remote Code Execution"
description: "ansible-core contains a path traversal caused by improper symlink resolution in ansible-galaxy collection install archive extraction, letting attackers overwrite arbitrary files and execute code on the control node, exploit requires victim to install a malicious collection."
url: https://panop.io/threat-heartbeat/CVE-2026-89091/
---

# CVE-2026-89091 ansible-core - Path Traversal & Remote Code Execution

ansible-core contains a path traversal caused by improper symlink resolution in ansible-galaxy collection install archive extraction, letting attackers overwrite arbitrary files and execute code on the control node, exploit requires victim to install a malicious collection.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.48% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89091)

## Details

Type

Path Traversal

Impact

Remote Code Execution, File System Write

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-59](https://cwe.mitre.org/data/definitions/59.html)

## Vendor fix

Update to the latest ansible-core version that includes the fix for this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89091](https://nvd.nist.gov/vuln/detail/CVE-2026-89091)
- [https://access.redhat.com/security/cve/CVE-2026-89091](https://access.redhat.com/security/cve/CVE-2026-89091)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2531646](https://bugzilla.redhat.com/show_bug.cgi?id=2531646)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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