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Vulnerability · Published Oct 9, 2026 · Assigned by GitHub_M

CVE-2026-108263Astron Agent: Unsandboxed code-node leads to cross-tenant RCE

Critical 9.9

In plain English

A critical-severity missing authentication in astron-agent from iflytek. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.4%top 62.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Astron Agent is an agentic workflow platform for building and running AI agents. Prior to 1.1.2, the default workflow code-node path through /console-api/workflow/code/run and /workflow/v1/run selects LocalExecutor in core/workflow/engine/nodes/code/code_node.py when CODE_EXEC_TYPE is not explicitly changed. LocalExecutor supplies complete Python builtins to dynamic code execution without the documented sandbox restrictions. An authenticated low-privilege tenant can execute code as root in the core-workflow container and use shared service and database credentials to bypass application-level tenant checks, read or modify other tenants' data, and disrupt shared services. This issue is fixed in version 1.1.2.

Affected products (as reported)

VendorProductVersions
iflytek astron-agent < 1.1.2

Weakness: CWE-95, CWE-306, CWE-653, CWE-863, CWE-1392 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References