{"id":"CVE-2026-96807","title":"In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location","summary":"In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making t…","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","cwe":["CWE-61"],"vendor":"Flatpak","product":"Flatpak","affected":["Flatpak < 1.18.1"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:25.703","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96807","references":[{"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-99wv-m8rp-g58x","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-23T17:28:14.859Z","slug":"CVE-2026-96807","body":"## Overview\n\nIn Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making this hard to exploit.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}