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CVE-2026-81845

6.3 · MEDIUM

A vulnerability has been found in arben-adm mcp-sequential-thinking up to 0.5.0.

Published Aug 28, 2026CWE-22EPSS 0.50%

Overview

CVE-2026-81845 is a medium-severity vulnerability. It was published on August 28, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/arben-adm/mcp-sequential-thinking/GitHubgithub.com/arben-adm/mcp-sequential-thinking/commit/2fad3ee8ab1d0868b6c1afb5895bc336a10e5267GitHubgithub.com/arben-adm/mcp-sequential-thinking/issues/17GitHubgithub.com/arben-adm/mcp-sequential-thinking/pull/18GitHubgithub.com/arben-adm/mcp-sequential-thinking/releases/tag/v0.6.0Refvuldb.com/cve/CVE-2026-81845Refvuldb.com/submit/887254Refvuldb.com/vuln/396171Refvuldb.com/vuln/396171/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-81845?

CVE-2026-81845 is a medium-severity vulnerability. It was published on August 28, 2026 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-81845?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-81845?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-81845?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-81845 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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