CVE-2026-81845

MEDIUM 6.3

arben-adm mcp-sequential-thinking Import Session/Export Session server.py export_session path traversal

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	arben-adm
Product	mcp-sequential-thinking
Published	Aug 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

arben-adm / mcp-sequential-thinking

0.1 0.2 0.3 0.4 0.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/396171 vuldb.com: https://vuldb.com/vuln/396171/cti vuldb.com: https://vuldb.com/cve/CVE-2026-81845 vuldb.com: https://vuldb.com/submit/887254 github.com: https://github.com/arben-adm/mcp-sequential-thinking/issues/17 github.com: https://github.com/arben-adm/mcp-sequential-thinking/pull/18 github.com: https://github.com/arben-adm/mcp-sequential-thinking/commit/2fad3ee8ab1d0868b6c1afb5895bc336a10e5267 github.com: https://github.com/arben-adm/mcp-sequential-thinking/releases/tag/v0.6.0 github.com: https://github.com/arben-adm/mcp-sequential-thinking/

Credits

🔍 Mcfly_Zhang (VulDB User)