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CVE-2026-18287: Aeon load_time_series_segmentation_benchmark Code Injection Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-20 · updated 2026-10-26
• Weakness: CWE-94

Description

Aeon load_time_series_segmentation_benchmark Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of aeon. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the load_time_series_segmentation_benchmark method. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29159.

Affected products

• aeon: 1.3.0

References

• https://github.com/aeon-toolkit/aeon/commit/751918052c0cce266b4f7cd4b084408526efc015
• https://www.zerodayinitiative.com/advisories/ZDI-26-470/

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