{"id":"CVE-2026-53759","summary":"linuxfabrik-lib: Insecure creation of SQLite databases","details":"linuxfabrik-lib provides Python modules for database access, caching, shell execution, and API integrations. Prior to version 4.2.0, db_sqlite.py created SQLite databases at predictable paths in the shared /tmp directory and followed attacker-created symbolic links at those paths. An attacker who controls a local monitoring account can create a symlink such as /tmp/linuxfabrik-monitoring-plugins-docker-stats.db and then trigger a sudo-authorized plugin, causing the root process to create or modify the symlink target. The primitive can overwrite arbitrary paths, cause denial of service, or manipulate an existing SQLite database through a crafted rollback journal or write-ahead log. The Monitoring Plugins integration also moved plugin caches through lib.db_sqlite.get_db_path() so they use the secured per-user directory. This issue is fixed in version 4.2.0.","aliases":["GHSA-r35r-fpx2-jgr4","PYSEC-2026-2596"],"modified":"2026-08-23T03:42:40.939533763Z","published":"2026-08-18T20:54:38.537Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-377"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53759.json"},"references":[{"type":"WEB","url":"https://github.com/Linuxfabrik/lib/blob/main/CHANGELOG.md#v420---2026-06-02"},{"type":"WEB","url":"https://github.com/Linuxfabrik/lib/releases/tag/v4.2.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53759.json"},{"type":"ADVISORY","url":"https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-r35r-fpx2-jgr4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53759"},{"type":"FIX","url":"https://github.com/Linuxfabrik/lib/commit/1e3ca61d45e37ef118aa0c107b420ef74458697e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/linuxfabrik/lib","events":[{"introduced":"0"},{"fixed":"1e3ca61d45e37ef118aa0c107b420ef74458697e"},{"fixed":"bc7fefc1339cf3c5b50de820190b6b02573cd400"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"4.2.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v4.1.0","v4.0.2","v4.0.1","v4.0.0","v3.4.1","v3.4.0","v3.3.0","v3.2.0","v3.1.1","v3.1.0","v3.0.0","v2.4.0","v2.3.0","v2.2.1","v2.2.0","v2.1.1.15","v2.1.1.7","v2.1.1.5","v2.1.0.7","v2.1.0.4","v2.1.0.0","v2.0.0.7","v2.0.0.0","2024060401","2024052901","2023112901","2023051201","2023030801","2022072001","2022030201","2022022801","2021101401","2021061501","2021021701","2021021601","2020122401","2020112001","2020111901","2020111801","2020102301","2020061901","2020052801","2020042001","2020041501"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53759.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"}]}