{"schema":"threatline.record/2","record":{"id":"CVE-2026-89091","aliases":[],"summary":"Ansible-core: ansible-core: ansible-galaxy collection install symlink path escape allows arbitrary file write / code execution","details":"A flaw was found in ansible-core. When installing a collection with\n`ansible-galaxy collection install`, the archive extractor validates member\npaths using lexical path normalisation (os.path.abspath) instead of resolving\nsymbolic links (os.path.realpath), and it performs no containment check on\nsymlink-typed directory members before creating them. A crafted collection\ntarball can chain symlink directory entries so that a subsequent file member is\nwritten outside the intended destination directory. This allows an attacker who\ncan get a victim to install a malicious collection to overwrite arbitrary files\nwith the privileges of the user running ansible-galaxy, leading to code\nexecution on the control node. This is a bypass of the fix for CVE-2020-10691.","categories":["Operating systems"],"product":"Migration Toolkit for Applications 8","vendor":"Red Hat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89091","source_modified_at":"2026-10-09T15:13:02.773Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Migration Toolkit for Applications 8","vendor":"Red Hat","versions":[],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89091","source_modified_at":"2026-10-09T15:13:02.773Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Migration Toolkit for Virtualization","vendor":"Red Hat","versions":[],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89091","source_modified_at":"2026-10-09T15:13:02.773Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"OpenShift Service Mesh 3","vendor":"Red 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