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ansible

ansible-core

A vulnerability in ansible-core allows an attacker to craft a malicious collection tarball that exploits improper symbolic link handling during collection installation. This flaw enables overwriting arbitrary files on the control node with the privileges of the user running ansible-galaxy, potentially leading to code execution. The issue is a bypass of a previous fix (CVE-2020-10691).

The vulnerability in ansible-core arises from the archive extractor's use of lexical path normalization (os.path.abspath) instead of resolving symbolic links (os.path.realpath) when validating member paths during 'ansible-galaxy collection install'. It also lacks containment checks on symlink-typed directory members before creation. An attacker can craft a collection tarball that chains symlink directory entries, causing subsequent file members to be written outside the intended directory. This allows arbitrary file overwrite with the privileges of the ansible-galaxy user, leading to potential code execution on the control node. This vulnerability bypasses the fix for CVE-2020-10691.

A vulnerability in ansible-core allows an attacker to craft a malicious collection tarball that exploits improper symbolic link handling during collection installation. This flaw enables overwriting arbitrary files on the control node with the privileges of the user running ansible-galaxy, potential

A flaw was found in ansible-core. (CVE-2026-89091)

Threats Tagged 'ubuntu-cve-2026-89091'

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Threats Tagged 'ubuntu-cve-2026-89091'

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