{"id":"CVE-2026-0596","aliases":["BIT-mlflow-2026-0596","CLSA-2026-1780879893","CLSA-2026-1787213730","EUVD-2026-17415","GHSA-rvhj-8chj-8v3c","PYSEC-2026-424"],"status":"published","title":"Command Injection in mlflow/mlflow","description":"A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","severity":{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01393,"percentile":0.7259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-78"],"published":"2026-03-31T14:25:27Z","modified":"2026-10-30T02:15:07Z","exploits":[{"source":"pocgithub","id":"SparshBiswas-AI/CVE-2026-0596-Reproduction","title":"SparshBiswas-AI/CVE-2026-0596-Reproduction","date":"2026-05-18","url":"https://github.com/SparshBiswas-AI/CVE-2026-0596-Reproduction"}],"fixes":[{"ecosystem":"PyPI","package":"mlflow","fixed_in":["3.9.0"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"mlflow","fixed_in":["3.11.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mlflow","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.11.1"}]}]},{"source":"osv","ecosystem":"TuxCare:PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.22.4"},{"fixed":"2.22.4.post3+tuxcare"}]}],"versions":["2.22.4","2.22.4.post1+tuxcare","2.22.4.post2+tuxcare"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.9.1"},{"fixed":"2.9.1.post5+tuxcare"}]}],"versions":["2.9.1","2.9.1.post1+tuxcare","2.9.1.post2+tuxcare","2.9.1.post3+tuxcare","2.9.1.post4+tuxcare"],"bundled":4},{"source":"osv","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0"}]}],"versions":["0.0.1","0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.2","0.6.0","0.7.0","0.8.0","0.8.1","0.8.2","0.9.0","0.9.0.1","0.9.1","1.0.0","1.1.0","1.1.1.dev0","1.10.0","1.11.0","1.12.0","1.12.1","1.13","1.13.1","1.14.0","1.14.1","1.15.0","1.16.0","1.17.0","1.18.0","1.19.0","1.2.0","1.20.0","1.20.1","1.20.2","1.21.0","1.22.0","1.23.0","1.23.1","1.24.0","1.25.0","1.25.1","1.26.0","1.26.1","1.27.0","1.28.0","1.29.0","1.3.0","1.30.0","1.30.1","1.4.0","1.5.0","1.6.0","1.7.0","1.7.1","1.7.2","1.8.0","1.9.0","1.9.1","2.0.0","2.0.0rc0","2.0.1","2.1.0","2.1.1","2.10.0","2.10.1","2.10.2","2.11.0","2.11.1","2.11.2","2.11.3","2.11.4","2.12.0","2.12.1","2.12.2","2.13.0","2.13.1","2.13.2","2.14.0","2.14.0rc0","2.14.1","2.14.2","2.14.2.dev0","2.14.3","2.15.0","2.15.0rc0","2.15.1","2.16.0","2.16.1","2.16.2","2.17.0","2.17.0rc0","2.17.1","2.17.2","2.18.0","2.18.0rc0","2.19.0","2.19.0rc0","2.2.0","2.2.1","2.2.2","2.20.0","2.20.0rc0","2.20.1","2.20.2","2.20.3","2.20.4","2.21.0","2.21.0rc0","2.21.1","2.21.2","2.21.3","2.22.0","2.22.0rc0","2.22.1","2.22.2","2.22.3","2.22.4","2.22.5","2.3.0","2.3.1","2.3.2","2.4.0","2.4.1","2.4.2","2.5.0","2.6.0","2.7.0","2.7.1","2.8.0","2.8.1","2.9.0","2.9.1","2.9.2","3.0.0","3.0.0rc0","3.0.0rc1","3.0.0rc2","3.0.0rc3","3.0.1","3.1.0","3.1.0rc0","3.1.1","3.1.2","3.1.3","3.1.4","3.2.0","3.2.0rc0","3.3.0","3.3.0rc0","3.3.1","3.3.2","3.4.0","3.4.0rc0","3.5.0","3.5.0rc0","3.5.1","3.6.0","3.6.0rc0","3.7.0","3.7.0rc0","3.8.0","3.8.0rc0","3.8.1","3.9.0rc0"]},{"source":"osv","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0"}]}],"versions":["0.0.1","0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.2","0.6.0","0.7.0","0.8.0","0.8.1","0.8.2","0.9.0","0.9.0.1","0.9.1","1.0.0","1.1.0","1.1.1.dev0","1.10.0","1.11.0","1.12.0","1.12.1","1.13","1.13.1","1.14.0","1.14.1","1.15.0","1.16.0","1.17.0","1.18.0","1.19.0","1.2.0","1.20.0","1.20.1","1.20.2","1.21.0","1.22.0","1.23.0","1.23.1","1.24.0","1.25.0","1.25.1","1.26.0","1.26.1","1.27.0","1.28.0","1.29.0","1.3.0","1.30.0","1.30.1","1.4.0","1.5.0","1.6.0","1.7.0","1.7.1","1.7.2","1.8.0","1.9.0","1.9.1","2.0.0","2.0.0rc0","2.0.1","2.1.0","2.1.1","2.10.0","2.10.1","2.10.2","2.11.0","2.11.1","2.11.2","2.11.3","2.11.4","2.12.0","2.12.1","2.12.2","2.13.0","2.13.1","2.13.2","2.14.0","2.14.0rc0","2.14.1","2.14.2","2.14.2.dev0","2.14.3","2.15.0","2.15.0rc0","2.15.1","2.16.0","2.16.1","2.16.2","2.17.0","2.17.0rc0","2.17.1","2.17.2","2.18.0","2.18.0rc0","2.19.0","2.19.0rc0","2.2.0","2.2.1","2.2.2","2.20.0","2.20.0rc0","2.20.1","2.20.2","2.20.3","2.20.4","2.21.0","2.21.0rc0","2.21.1","2.21.2","2.21.3","2.22.0","2.22.0rc0","2.22.1","2.22.2","2.22.3","2.22.4","2.22.5","2.3.0","2.3.1","2.3.2","2.4.0","2.4.1","2.4.2","2.5.0","2.6.0","2.7.0","2.7.1","2.8.0","2.8.1","2.9.0","2.9.1","2.9.2","3.0.0","3.0.0rc0","3.0.0rc1","3.0.0rc2","3.0.0rc3","3.0.1","3.1.0","3.1.0rc0","3.1.1","3.1.2","3.1.3","3.1.4","3.2.0","3.2.0rc0","3.3.0","3.3.0rc0","3.3.1","3.3.2","3.4.0","3.4.0rc0","3.5.0","3.5.0rc0","3.5.1","3.6.0","3.6.0rc0","3.7.0","3.7.0rc0","3.8.0","3.8.0rc0","3.8.1","3.9.0rc0"]}],"products":[{"vendor":"lfprojects","product":"mlflow"},{"vendor":"mlflow","product":"mlflow/mlflow"}],"references":[{"url":"https://huntr.com/bounties/2e905add-f9f5-4309-a3db-b17de5981285","tags":["Exploit","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0596","tags":["web","advisory"]},{"url":"https://github.com/mlflow/mlflow/pull/19738","tags":["web"]},{"url":"https://github.com/mlflow/mlflow/commit/202fac4c83ccc8544c087c142b80196d0e60695c","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rvhj-8chj-8v3c","tags":["advisory"]},{"url":"https://github.com/mlflow/mlflow","tags":["package"]},{"url":"https://pypi.org/project/mlflow","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-0596","title":"Command Injection in mlflow/mlflow","description":"A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-03-31T14:25:27.716Z","modified":"2026-04-01T03:55:35.518Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-17415","description":"A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-03-31T14:25:27Z","modified":"2026-04-01T03:55:35Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:24.493801Z"}],"ghsa":[{"id":"GHSA-rvhj-8chj-8v3c","title":"Mlflow: Command Injection when serving models with enable_mlserver=True","description":"A command injection vulnerability exists in Mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-03-31T15:31:56Z","modified":"2026-05-20T01:30:43Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:40:13.628377Z"}],"nvd":[{"id":"CVE-2026-0596","description":"A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-03-31T15:16:10.843Z","modified":"2026-07-21T19:10:00.107Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:12.261218Z"}],"osv":[{"id":"GHSA-rvhj-8chj-8v3c","title":"Mlflow: Command Injection when serving models with enable_mlserver=True","description":"A command injection vulnerability exists in Mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-03-31T15:31:56Z","modified":"2026-06-29T12:26:35.888308712Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:56.281047Z"},{"id":"PYSEC-2026-424","title":"Mlflow: Command Injection when serving models with enable_mlserver=True","description":"A command injection vulnerability exists in Mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-06-29T11:50:45.250459Z","modified":"2026-07-01T20:22:58.365246Z","cvss":[{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:57.671918Z"},{"id":"BIT-mlflow-2026-0596","title":"Command Injection in mlflow/mlflow","description":"A command injection vulnerability exists in mlflow/mlflow when serving a model with `enable_mlserver=True`. The `model_uri` is embedded directly into a shell command executed via `bash -c` without proper sanitization. If the `model_uri` contains shell metacharacters, such as `$()` or backticks, it allows for command substitution and execution of attacker-controlled commands. This vulnerability affects the latest version of mlflow/mlflow and can lead to privilege escalation if a higher-privileged service serves models from a directory writable by lower-privileged users.","status":"published","published":"2026-04-16T23:45:08.946Z","modified":"2026-09-10T16:00:36.154616406Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CLSA-2026-1780879893","title":"TuxCare security update for mlflow (2 CVEs)","description":"TuxCare rebuilt mlflow to address 2 CVEs. Fixed in 2.22.4.post3+tuxcare.","status":"published","published":"2026-08-04T14:52:35Z","modified":"2026-10-30T02:15:07.704399014Z","updated_at":"2026-11-02T15:43:45.445699Z"},{"id":"CLSA-2026-1787213730","title":"TuxCare security update for mlflow (4 CVEs)","description":"TuxCare rebuilt mlflow to address 4 CVEs. Fixed in 2.9.1.post5+tuxcare.","status":"published","published":"2026-08-20T08:15:30Z","modified":"2026-10-15T09:48:05.644138005Z","updated_at":"2026-11-02T15:43:47.20725Z"}]}}