Vulnerability Description
A vulnerability has been found in arben-adm mcp-sequential-thinking up to 0.5.0. Impacted is the function import_session/export_session of the file mcp_sequential_thinking/server.py of the component Import Session/Export Session. Such manipulation of the argument file_path leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.6.0 is recommended to address this issue. The name of the patch is 2fad3ee8ab1d0868b6c1afb5895bc336a10e5267. Upgrading the affected component is recommended.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/arben-adm/mcp-sequential-thinking/
- https://github.com/arben-adm/mcp-sequential-thinking/commit/2fad3ee8ab1d0868b6c1
- https://github.com/arben-adm/mcp-sequential-thinking/issues/17
- https://github.com/arben-adm/mcp-sequential-thinking/pull/18
- https://github.com/arben-adm/mcp-sequential-thinking/releases/tag/v0.6.0
- https://vuldb.com/cve/CVE-2026-81845
- https://vuldb.com/submit/887254
- https://vuldb.com/vuln/396171
- https://vuldb.com/vuln/396171/cti
FAQ
What is CVE-2026-81845?
CVE-2026-81845 is a vulnerability with a CVSS score of 6.3 (MEDIUM). A vulnerability has been found in arben-adm mcp-sequential-thinking up to 0.5.0. Impacted is the function import_session/export_session of the file mcp_sequential_thinking/server.py of the component I...
How severe is CVE-2026-81845?
CVE-2026-81845 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-81845?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.