{"id":"CVE-2025-6278","summary":"Upsonic server.py os.path.join path traversal","details":"A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.","aliases":["GHSA-8jf4-fcjr-68c2","PYSEC-2025-67"],"modified":"2026-08-12T03:51:12.939457827Z","published":"2025-06-19T20:31:05.135Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6278.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6278.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6278"},{"type":"ADVISORY","url":"https://vuldb.com/?id.313282"},{"type":"ADVISORY","url":"https://vuldb.com/?submit.593096"},{"type":"REPORT","url":"https://github.com/Upsonic/Upsonic/issues/356"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.313282"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/upsonic/upsonic","events":[{"introduced":"912bde3a7b292a324ab2c52176e17c2b0bcff63a"},{"last_affected":"97f9f8fd28fc1474e020e992f65b154577847a11"}],"database_specific":{"cpe":"cpe:2.3:a:upsonic:upsonic:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.55.0"},{"last_affected":"0.55.0"},{"introduced":"0.55.1"},{"last_affected":"0.55.1"},{"introduced":"0.55.2"},{"last_affected":"0.55.2"},{"introduced":"0.55.3"},{"last_affected":"0.55.3"},{"introduced":"0.55.4"},{"last_affected":"0.55.4"},{"introduced":"0.55.5"},{"last_affected":"0.55.5"},{"introduced":"0.55.6"},{"last_affected":"0.55.6"},{"introduced":"0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["0.55.0","0.55.1","0.55.2","0.55.3","0.55.4","0.55.5","0.55.6","v0.55.6","v0.55.5","v0.55.4","v0.55.3","v0.55.2","v0.55.1","v0.55.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6278.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}]}