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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
arben-adm mcp-sequential-thinking affected
Version Status Constraints
0.1 affected —
0.2 affected —
0.3 affected —
0.4 affected —
0.5.0 affected —
0.6.0 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
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Mcp-sequential-thinking Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
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.
Title arben-adm mcp-sequential-thinking Import Session/Export Session server.py export_session path traversal
First Time appeared Arben-adm
Arben-adm mcp-sequential-thinking
Weaknesses CWE-22
CPEs cpe:2.3:a:arben-adm:mcp-sequential-thinking:*:*:*:*:*:*:*:*
Vendors & Products Arben-adm
Arben-adm mcp-sequential-thinking
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-27T21:45:10.504Z

Reserved: 2026-08-27T16:07:21.555Z

Link: CVE-2026-81845

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-28T00:18:22.133

Modified: 2026-08-28T00:18:22.133

Link: CVE-2026-81845

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses