agentscope-ai AgentScope Bash Tool _bash.py check_permissions authorization

Summary

A flaw has been found in agentscope-ai AgentScope up to 2.0.8. This affects the function check_permissions of the file src/agentscope/tool/_builtin/_bash.py of the component Bash Tool. This manipulation causes incorrect authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. Upgrading to version 2.0.9 mitigates this issue. Patch name: 6b43b13a46401e86abd3defeed9a8bfe5b37bc6d. It is recommended to upgrade the affected component.

Remediation

1. Inventory every agentscope-ai AgentScope deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Patchhttps://github.com/agentscope-ai/agentscope/commit/6b43b13a46401e86abd3defeed9a8bfe5b37bc6d
• Patchhttps://github.com/agentscope-ai/agentscope/pull/2629
• Patchhttps://github.com/agentscope-ai/agentscope/releases/tag/v2.0.9
• Advisoryhttps://vuldb.com/cve/CVE-2026-123023
• Advisoryhttps://vuldb.com/submit/1033131
• Referencehttps://github.com/agentscope-ai/agentscope/
• Referencehttps://github.com/agentscope-ai/agentscope/issues/3313
• Referencehttps://github.com/ybyu-ieu/agent-security-advisories/blob/main/agentscope/agentscope-bash-tool-tee-misclassification-arbitrary-file-write.md
• Referencehttps://vuldb.com/vuln/431396
• Referencehttps://vuldb.com/vuln/431396/cti