{"id":"CVE-2026-28795","aliases":["EUVD-2026-10003","GHSA-vmwq-8g8c-jm79","PYSEC-2026-2794"],"status":"published","title":"OpenChatBI: Critical Path Traversal Vulnerability in save_report Tool of OpenChatBI","description":"OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00508,"percentile":0.43696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2026-03-02T21:47:32Z","modified":"2026-10-28T02:30:54Z","fixes":[{"ecosystem":"PyPI","package":"openchatbi","fixed_in":["0.2.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"openchatbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.2.1"},{"fixed":"0.2.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"openchatbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.2"}]}],"versions":["0.0.1","0.1.0","0.1.1","0.2.0","0.2.1"]},{"source":"osv","ecosystem":"PyPI","package":"openchatbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.2"}]}],"versions":["0.0.1","0.1.0","0.1.1","0.2.0","0.2.1"]}],"products":[{"vendor":"zhongyu09","product":"openchatbi"}],"references":[{"url":"https://github.com/zhongyu09/openchatbi/security/advisories/GHSA-vmwq-8g8c-jm79","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/zhongyu09/openchatbi/issues/10","tags":["x_refsource_MISC","Issue Tracking","report","web"]},{"url":"https://github.com/zhongyu09/openchatbi/pull/12","tags":["x_refsource_MISC","Issue Tracking","Patch","fix","web"]},{"url":"https://github.com/zhongyu09/openchatbi/commit/372a7e861da5159c3106d64d6f6edf8284db8c75","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28795","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vmwq-8g8c-jm79","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28795.json","tags":["advisory"]},{"url":"https://github.com/zhongyu09/openchatbi","tags":["package"]},{"url":"https://pypi.org/project/openchatbi","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-28795","title":"OpenChatBI: Critical Path Traversal Vulnerability in save_report Tool of OpenChatBI","description":"OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.","status":"published","published":"2026-03-06T06:21:52.789Z","modified":"2026-03-09T19:52:48.92Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:01.969981Z"}],"euvd":[{"id":"EUVD-2026-10003","description":"OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.","status":"published","published":"2026-03-06T06:21:52Z","modified":"2026-03-09T19:52:48Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:48:06.581696Z"}],"ghsa":[{"id":"GHSA-vmwq-8g8c-jm79","title":"OpenChatBI has a Path Traversal Vulnerability in save_report Tool","description":"### Impact\nThe `save_report` tool in `openchatbi/tool/save_report.py` suffers from a critical path traversal vulnerability due to insufficient input sanitization of the `file_format` parameter. \n\nThe function only removes leading dots of `file_format` using `file_format.lstrip(\".\")` but allows path traversal sequences like `/../../` to pass through unchanged. When the filename is constructed via string concatenation in \n\n    f\"{timestamp}_{clean_title}.{file_format}\"\n\nmalicious path sequences are preserved, enabling attackers to write files outside the designated report directory. \n\nAn attacker can manipulate the LLM to call the tool with a specific `file_format` to overwrite critical system files like `__init__.py`, potentially leading to remote code execution.\n\n\n### Patches\n- Affected versions:\n\u003c=0.2.1\n- Patched versions:\n0.2.2 (includes fix from PR #12: https://github.com/zhongyu09/openchatbi/pull/12)\n\n### Workarounds\nNo\n\n### References\n- Issue #10: https://github.com/zhongyu09/openchatbi/issues/10\n- PR #12: https://github.com/zhongyu09/openchatbi/pull/12","status":"published","published":"2026-03-02T21:47:32Z","modified":"2026-03-06T21:56:36Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:39:32.329372Z"}],"nvd":[{"id":"CVE-2026-28795","description":"OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.","status":"published","published":"2026-03-06T07:16:00.293Z","modified":"2026-06-17T10:29:03.547Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:08.279852Z"}],"osv":[{"id":"CVE-2026-28795","title":"OpenChatBI: Critical Path Traversal Vulnerability in save_report Tool of OpenChatBI","description":"OpenChatBI is an intelligent chat-based BI tool powered by large language models, designed to help users query, analyze, and visualize data through natural language conversations. Prior to version 0.2.2, the save_report tool in openchatbi/tool/save_report.py suffers from a critical path traversal vulnerability due to insufficient input sanitization of the file_format parameter. This issue has been patched in version 0.2.2.","status":"published","published":"2026-03-06T06:21:52.789Z","modified":"2026-10-28T02:30:54.210894888Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:00.530889Z"},{"id":"GHSA-vmwq-8g8c-jm79","title":"OpenChatBI has a Path Traversal Vulnerability in save_report Tool","description":"### Impact\nThe `save_report` tool in `openchatbi/tool/save_report.py` suffers from a critical path traversal vulnerability due to insufficient input sanitization of the `file_format` parameter. \n\nThe function only removes leading dots of `file_format` using `file_format.lstrip(\".\")` but allows path traversal sequences like `/../../` to pass through unchanged. When the filename is constructed via string concatenation in \n\n    f\"{timestamp}_{clean_title}.{file_format}\"\n\nmalicious path sequences are preserved, enabling attackers to write files outside the designated report directory. \n\nAn attacker can manipulate the LLM to call the tool with a specific `file_format` to overwrite critical system files like `__init__.py`, potentially leading to remote code execution.\n\n\n### Patches\n- Affected versions:\n\u003c=0.2.1\n- Patched versions:\n0.2.2 (includes fix from PR #12: https://github.com/zhongyu09/openchatbi/pull/12)\n\n### Workarounds\nNo\n\n### References\n- Issue #10: https://github.com/zhongyu09/openchatbi/issues/10\n- PR #12: https://github.com/zhongyu09/openchatbi/pull/12","status":"published","published":"2026-03-02T21:47:32Z","modified":"2026-07-13T16:42:56.240887639Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"PYSEC-2026-2794","title":"OpenChatBI has a Path Traversal Vulnerability in save_report Tool","description":"### Impact\nThe `save_report` tool in `openchatbi/tool/save_report.py` suffers from a critical path traversal vulnerability due to insufficient input sanitization of the `file_format` parameter. \n\nThe function only removes leading dots of `file_format` using `file_format.lstrip(\".\")` but allows path traversal sequences like `/../../` to pass through unchanged. When the filename is constructed via string concatenation in \n\n    f\"{timestamp}_{clean_title}.{file_format}\"\n\nmalicious path sequences are preserved, enabling attackers to write files outside the designated report directory. \n\nAn attacker can manipulate the LLM to call the tool with a specific `file_format` to overwrite critical system files like `__init__.py`, potentially leading to remote code execution.\n\n\n### Patches\n- Affected versions:\n\u003c=0.2.1\n- Patched versions:\n0.2.2 (includes fix from PR #12: https://github.com/zhongyu09/openchatbi/pull/12)\n\n### Workarounds\nNo\n\n### References\n- Issue #10: https://github.com/zhongyu09/openchatbi/issues/10\n- PR #12: https://github.com/zhongyu09/openchatbi/pull/12","status":"published","published":"2026-07-13T14:36:40.268691Z","modified":"2026-07-13T16:31:59.82860051Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:52:55.961245Z"}]}}