{"id":"CVE-2026-53759","state":"PUBLISHED","title":"linuxfabrik-lib: Insecure creation of SQLite databases","description":"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.","publishedAt":"2026-08-18T20:54:38.537Z","updatedAt":"2026-08-21T19:14:49.467Z","severity":{"score":2,"label":"Low","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["Linuxfabrik monitoring-plugins"],"affected":[{"vendor":"Linuxfabrik","product":"monitoring-plugins","versions":[{"version":"< 4.2.0","status":"affected"}]}],"references":["https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-r35r-fpx2-jgr4","https://github.com/Linuxfabrik/lib/commit/1e3ca61d45e37ef118aa0c107b420ef74458697e","https://github.com/Linuxfabrik/lib/blob/main/CHANGELOG.md#v420---2026-06-02","https://github.com/Linuxfabrik/lib/releases/tag/v4.2.0"],"weaknesses":["CWE-377"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53759.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53759","state":"PUBLISHED","datePublished":"2026-08-18T20:54:38.537Z","dateUpdated":"2026-08-21T19:14:49.467Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-10T17:48:40.546Z"},"containers":{"cna":{"title":"linuxfabrik-lib: Insecure creation of SQLite databases","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linuxfabrik","product":"monitoring-plugins","versions":[{"version":"< 4.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-r35r-fpx2-jgr4","name":"https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-r35r-fpx2-jgr4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/Linuxfabrik/lib/commit/1e3ca61d45e37ef118aa0c107b420ef74458697e","name":"https://github.com/Linuxfabrik/lib/commit/1e3ca61d45e37ef118aa0c107b420ef74458697e","tags":["x_refsource_MISC"]},{"url":"https://github.com/Linuxfabrik/lib/blob/main/CHANGELOG.md#v420---2026-06-02","name":"https://github.com/Linuxfabrik/lib/blob/main/CHANGELOG.md#v420---2026-06-02","tags":["x_refsource_MISC"]},{"url":"https://github.com/Linuxfabrik/lib/releases/tag/v4.2.0","name":"https://github.com/Linuxfabrik/lib/releases/tag/v4.2.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2,"baseSeverity":"LOW","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-377","lang":"en","description":"CWE-377: Insecure Temporary File","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-18T20:55:25.382Z"},"source":{"advisory":"GHSA-r35r-fpx2-jgr4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-r35r-fpx2-jgr4","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-21T19:14:28.252635Z","id":"CVE-2026-53759","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-21T19:14:49.467Z"}}]}}}