Link Following Affecting ansible-core package, versions *


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.48% (40th percentile)

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  • Snyk IDSNYK-ECHOLATEST-ANSIBLECORE-20675011
  • published9 Oct 2026
  • disclosed8 Oct 2026

Introduced: 8 Oct 2026

NewCVE-2026-89091  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest ansible-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ansible-core package and not the ansible-core package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1