{"id":"CVE-2026-38360","aliases":["EUVD-2026-28802","GHSA-3rf6-x59v-5jfv","PYSEC-2026-320"],"status":"published","title":"dash-uploader has a directory traversal vulnerability","description":"Directory Traversal vulnerability in fohrloop dash-uploader v.0.1.0 through v.0.7.0a2 allows a remote attacker to execute arbitrary code via the dash_uploader/httprequesthandler.py, BaseHttpRequestHandler.get_temp_root(), BaseHttpRequestHandler._post() components.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.05982,"percentile":0.93357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2026-05-08T00:00:00Z","modified":"2026-08-31T23:00:09Z","exploits":[{"source":"nuclei","id":"CVE-2026-38360","title":"dash-uploader 0.1.0 - 0.7.0a2 - Unauthenticated Arbitrary File Write via Path Traversal","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-38360.yaml"},{"source":"pocgithub","id":"a1ohadance/CVE-2026-38360","title":"a1ohadance/CVE-2026-38360","date":"2026-05-07","url":"https://github.com/a1ohadance/CVE-2026-38360"}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"dash-uploader","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.1.0"},{"last_affected":"0.7.0a2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"dash-uploader","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.1.0"},{"last_affected":"0.7.0a2"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.2.0","0.2.3","0.2.4","0.3.0","0.3.1","0.4.0","0.4.1","0.4.2","0.5.0","0.6.0","0.6.1","0.7.0a1","0.7.0a2"]},{"source":"osv","ecosystem":"PyPI","package":"dash-uploader","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.1.0"},{"last_affected":"0.7.0a2"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.2.0","0.2.3","0.2.4","0.3.0","0.3.1","0.4.0","0.4.1","0.4.2","0.5.0","0.6.0","0.6.1","0.7.0a1","0.7.0a2"]}],"references":[{"url":"https://github.com/fohrloop/dash-uploader","tags":["package","web"]},{"url":"https://pypi.org/project/dash-uploader/"},{"url":"https://github.com/fohrloop/dash-uploader/blob/stable/dash_uploader/httprequesthandler.py","tags":["web"]},{"url":"https://github.com/fohrloop/dash-uploader/blob/dev/dash_uploader/httprequesthandler.py","tags":["web"]},{"url":"https://github.com/fohrloop/dash-uploader/issues/153","tags":["web"]},{"url":"https://github.com/a1ohadance/CVE-2026-38360","tags":["web"]},{"url":"https://github.com/github/advisory-database/pull/7635","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3rf6-x59v-5jfv","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-38360","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/dash-uploader/PYSEC-2026-320.yaml","tags":["web"]},{"url":"https://github.com/lmigtech/dash_uploader","tags":["package"]},{"url":"https://pypi.org/project/dash-uploader","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-38360","description":"Directory Traversal vulnerability in fohrloop dash-uploader v.0.1.0 through v.0.7.0a2 allows a remote attacker to execute arbitrary code via the dash_uploader/httprequesthandler.py, BaseHttpRequestHandler.get_temp_root(), BaseHttpRequestHandler._post() components.","status":"published","published":"2026-05-08T00:00:00Z","modified":"2026-06-10T15:34:05.726Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-28802","description":"Directory Traversal vulnerability in fohrloop dash-uploader v.0.1.0 through v.0.7.0a2 allows a remote attacker to execute arbitrary code via the dash_uploader/httprequesthandler.py, BaseHttpRequestHandler.get_temp_root(), BaseHttpRequestHandler._post() components.","status":"published","published":"2026-05-08T00:00:00Z","modified":"2026-06-10T15:34:05Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:20:45.405546Z"}],"ghsa":[{"id":"GHSA-3rf6-x59v-5jfv","title":"dash-uploader has a directory traversal vulnerability","description":"### Impact\n\nAn unauthenticated path traversal vulnerability exists in [dash-uploader](https://pypi.org/project/dash-uploader/) versions 0.1.0 through 0.7.0a2. The library's HTTP request handler at `dash_uploader/httprequesthandler.py` reads three form parameters (`upload_id`, `resumableFilename`, `resumableIdentifier`) from `request.form.get()` and passes them directly to `os.path.join()` and `os.makedirs()` without any sanitization.\n\nA single unauthenticated `POST /API/dash-uploader` request with `upload_id` set to a relative path (e.g. `../../etc/cron.d` or `../venv/lib/python3.13/site-packages`) escapes the application's `uploads/` directory and writes the supplied file content to the chosen target path under the privilege of the gunicorn / WSGI process.\n\nWhen the chosen target is a Python `site-packages` directory and the dropped file is a `.pth` file containing an `import`-prefixed line, Python's `site` module executes that line on the next interpreter startup, yielding remote code execution. Other escalation paths reachable from the same primitive include overwriting the running WSGI module, dropping `~/.ssh/authorized_keys`, or writing JavaScript into a Dash-served `assets/` directory for stored XSS.\n\n### Affected versions\n\nAll 16 published PyPI releases (`0.1.0` through `0.7.0a2`) are affected. The package repository was archived on 2025-07-19; **no patched version exists**.\n\n### Mitigation\n\nReplace `dash-uploader` with an alternative file-upload component (for example, `dash-resumable-upload`, server-rendered `\u003cinput type=\\\"file\\\"\u003e` plus a hardened Flask endpoint, or a maintained Dash community alternative). There is no upstream fix path.\n\nWhile a replacement is being deployed, mitigations include:\n\n* Block `POST /API/dash-uploader` at an upstream proxy, OR\n* Run the application as an unprivileged user with no write access to its own `site-packages`, OR\n* Use a read-only filesystem for the application's code directories.","status":"published","published":"2026-05-08T18:31:35Z","modified":"2026-08-31T22:48:10Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:41:08.980668Z"}],"nvd":[{"id":"CVE-2026-38360","description":"Directory Traversal vulnerability in fohrloop dash-uploader v.0.1.0 through v.0.7.0a2 allows a remote attacker to execute arbitrary code via the dash_uploader/httprequesthandler.py, BaseHttpRequestHandler.get_temp_root(), BaseHttpRequestHandler._post() components.","status":"published","published":"2026-05-08T17:16:30.38Z","modified":"2026-06-17T10:41:41.09Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:17.842772Z"}],"osv":[{"id":"GHSA-3rf6-x59v-5jfv","title":"dash-uploader has a directory traversal vulnerability","description":"### Impact\n\nAn unauthenticated path traversal vulnerability exists in [dash-uploader](https://pypi.org/project/dash-uploader/) versions 0.1.0 through 0.7.0a2. The library's HTTP request handler at `dash_uploader/httprequesthandler.py` reads three form parameters (`upload_id`, `resumableFilename`, `resumableIdentifier`) from `request.form.get()` and passes them directly to `os.path.join()` and `os.makedirs()` without any sanitization.\n\nA single unauthenticated `POST /API/dash-uploader` request with `upload_id` set to a relative path (e.g. `../../etc/cron.d` or `../venv/lib/python3.13/site-packages`) escapes the application's `uploads/` directory and writes the supplied file content to the chosen target path under the privilege of the gunicorn / WSGI process.\n\nWhen the chosen target is a Python `site-packages` directory and the dropped file is a `.pth` file containing an `import`-prefixed line, Python's `site` module executes that line on the next interpreter startup, yielding remote code execution. Other escalation paths reachable from the same primitive include overwriting the running WSGI module, dropping `~/.ssh/authorized_keys`, or writing JavaScript into a Dash-served `assets/` directory for stored XSS.\n\n### Affected versions\n\nAll 16 published PyPI releases (`0.1.0` through `0.7.0a2`) are affected. The package repository was archived on 2025-07-19; **no patched version exists**.\n\n### Mitigation\n\nReplace `dash-uploader` with an alternative file-upload component (for example, `dash-resumable-upload`, server-rendered `\u003cinput type=\\\"file\\\"\u003e` plus a hardened Flask endpoint, or a maintained Dash community alternative). There is no upstream fix path.\n\nWhile a replacement is being deployed, mitigations include:\n\n* Block `POST /API/dash-uploader` at an upstream proxy, OR\n* Run the application as an unprivileged user with no write access to its own `site-packages`, OR\n* Use a read-only filesystem for the application's code directories.","status":"published","published":"2026-05-08T18:31:35Z","modified":"2026-08-31T23:00:09.946509425Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:36.092962Z"},{"id":"PYSEC-2026-320","title":"dash-uploader has a directory traversal vulnerability","description":"### Impact\n\nAn unauthenticated path traversal vulnerability exists in [dash-uploader](https://pypi.org/project/dash-uploader/) versions 0.1.0 through 0.7.0a2. The library's HTTP request handler at `dash_uploader/httprequesthandler.py` reads three form parameters (`upload_id`, `resumableFilename`, `resumableIdentifier`) from `request.form.get()` and passes them directly to `os.path.join()` and `os.makedirs()` without any sanitization.\n\nA single unauthenticated `POST /API/dash-uploader` request with `upload_id` set to a relative path (e.g. `../../etc/cron.d` or `../venv/lib/python3.13/site-packages`) escapes the application's `uploads/` directory and writes the supplied file content to the chosen target path under the privilege of the gunicorn / WSGI process.\n\n When the chosen target is a Python `site-packages` directory and the dropped file is a `.pth` file containing an `import`-prefixed line, Python's `site` module executes that line on the next interpreter startup, yielding remote code execution. Other escalation paths reachable from the same primitive include overwriting the running WSGI module, dropping `~/.ssh/authorized_keys`, or writing JavaScript into a Dash-served `assets/` directory for stored XSS.\n\n### Affected versions\n\nAll 16 published PyPI releases (`0.1.0` through `0.7.0a2`) are affected. The package repository was archived on 2025-07-19; **no patched version exists**.\n\n### Mitigation\n\nReplace `dash-uploader` with an alternative file-upload component (for example, `dash-resumable-upload`, server-rendered `\u003cinput type=\\\"file\\\"\u003e` plus a hardened Flask endpoint, or a maintained Dash community alternative). There is no upstream fix path.\n\nWhile a replacement is being deployed, mitigations include:\n\n* Block `POST /API/dash-uploader` at an upstream proxy, OR\n* Run the application as an unprivileged user with no write access to its own `site-packages`, OR\n* Use a read-only filesystem for the application's code directories.","status":"published","published":"2026-06-29T11:50:48.606509Z","modified":"2026-07-01T20:22:50.914249Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:56.429374Z"}]}}