{"schemaVersion":3,"id":"CVE-2023-6977","aliases":["GHSA-qg8p-32gr-gh6x","BIT-mlflow-2023-6977","PYSEC-2026-1659"],"status":"published","duplicateOf":null,"title":null,"description":"This vulnerability enables malicious users to read sensitive files on the server.","dates":{"published":"2023-12-20T05:37:12.654Z","modified":"2024-08-02T08:50:06.994Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"critical","version":"3.0","versionLabel":"v3.0","source":"CVE.org","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":10,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Pypi","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":10,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.03924,"percentile":0.90288,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.03924},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03924,"percentile":0.90288}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03924,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03924,"percentile":0.90288}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_86022FDAE4036625","name":"Exploit Reference (huntr.com)","source":"reference","url":"https://huntr.com/bounties/fe53bf71-3687-4711-90df-c26172880aaf","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-29","name":"Path Traversal: '\\..\\filename'","description":"The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\\..\\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory.","type":"weakness","status":"Incomplete","abstraction":"Variant","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/29.html"}],"affected":[{"vendor":"lfprojects","product":"mlflow","name":"mlflow","label":"mlflow","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.0.0, < 2.9.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0.0, < 2.9.2","eol":null,"hubHref":"/vendor/lfprojects/mlflow"},{"vendor":"mlflow","product":"mlflow/mlflow","name":"mlflow/mlflow","label":"mlflow/mlflow","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 2.9.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 2.9.2","eol":null,"hubHref":"/vendor/mlflow/mlflowmlflow"},{"vendor":"PyPI","product":"mlflow","name":"mlflow","label":"mlflow","ecosystem":"PyPI","cpePart":null,"purl":"pkg:pypi/mlflow","purlType":"pypi","versions":[{"text":"< 2.9.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.2","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://huntr.com/bounties/fe53bf71-3687-4711-90df-c26172880aaf","label":"huntr.com/bounties/fe53bf71-3687-4711-90df-c26172880aaf","hostname":"huntr.com","tags":["WEB","Exploit","Third Party Advisory"]},{"url":"https://github.com/mlflow/mlflow/commit/4bd7f27c810ba7487d53ed5ef1038fca0f8dc28c","label":"github.com/mlflow/mlflow/commit/4bd7f27c810ba7487d53ed5ef1038fca0f8dc28c","hostname":"github.com","tags":["WEB","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6977","label":"nvd.nist.gov/vuln/detail/CVE-2023-6977","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/mlflow/mlflow","label":"github.com/mlflow/mlflow","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pypi.org/project/mlflow","label":"pypi.org/project/mlflow","hostname":"pypi.org","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-qg8p-32gr-gh6x","label":"github.com/advisories/GHSA-qg8p-32gr-gh6x","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-12-20T05:37:12.654Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T08:50:06.994Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":90,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T23:09:15.301Z","stale":false,"partial":false}}