CVE-2026-123023: Access Control Flaw (CVSS 7.3)

Description

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.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0059

Probability of exploitation

0.49%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-285 CWE-285

CWE-863 Incorrect Authorization

References

Other References

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

Frequently Asked Questions

What is CVE-2026-123023? +

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. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-123023? +

CVE-2026-123023 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0059, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-123023? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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