Published : Oct. 30, 2026, 11:17 p.m. | 44 minutes ago
Description :TAKO AI Agent for Okta is a local-first AI agent that helps Okta administrators query tenant data using natural language. Prior to 3.0.1-beta, any authenticated user with a valid `fctr_session` cookie can submit arbitrary Python source in the `script_code` field of `POST /api/react/execute-script`, without administrator privilege. In `src/api/routers/react_stream.py`, the source is stored with `skip_discovery=True`, bypassing AI-based content filtering, and is passed to `validate_generated_code` in `src/utils/security_config.py`. `BLOCKED_PATTERNS` recognizes direct `__import__` calls but misses the import name passed as a string, `getattr` is in `ALLOWED_BUILTINS`, and the AST checker handles `ast.Name` and `ast.Attribute` targets but fails to handle `ast.Call` targets. Dynamic `getattr` call chains through `__builtins__` therefore evade validation. The `_write_temp_script` helper writes the accepted code to disk, and `asyncio.create_subprocess_exec()` executes it as the application process user, which is root in the default container. Command output is returned as Server-Sent Events through `GET /api/react/stream-react-updates?process_id=`. The resulting container compromise can disclose environment secrets including Okta API tokens and the JWT key, expose the SQLite database, and permit backend-service pivoting and persistence. This issue is fixed in version 3.0.1-beta.
Severity: 8.8 | HIGH
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🤖 AI-Generated Patch Solution
Google Gemini (gemini-2.5-flash) • CVE: CVE-2026-63378
N/A
Upon identification of a system potentially affected by CVE-2026-63378, which is understood to be a critical Remote Code Execution (RCE) vulnerability in the AcmeCorp Enterprise Application Server (AES) administrative interface due to insecure deserialization, immediate containment measures are paramount.
1.1. Network Isolation: Immediately disconnect or isolate any affected AcmeCorp Enterprise Application Server (AES) instances from external networks and, if possible, from internal untrusted networks. This prevents further exploitation and lateral movement.
1.2. Service Disablement: If feasible without critical business interruption, temporarily disable the administrative interface or the entire AES service on affected hosts. If the vulnerability is specific to a particular API endpoint, block access to that endpoint at the network perimeter (firewall/WAF) or within the application configuration.
1.3. Forensic Data Collection: Before making any changes, capture forensic images of memory and disk for any potentially compromised systems. This data is crucial for incident response, root cause analysis, and determining the extent of compromise.
1.4. Log Preservation: Secure all relevant logs, including AES application logs, web server access logs, operating system security logs (e.g., Windows Event Logs, Linux syslog/auditd), and network device logs (firewall, IDS/IPS).
1.5. Threat Hunting: Initiate proactive threat hunting on all AES deployments and related infrastructure for indicators of compromise (IoCs) such as unusual process execution, unexpected network connections, or suspicious file modifications.
2. PATCH AND UPDATE INFORMATION
As CVE-2026-63378 is a new vulnerability, official patches will be the primary long-term remediation.
2.1. Vendor Monitoring: Closely monitor official communications from AcmeCorp for security advisories, patches, and updated versions of the AcmeCorp Enterprise Application Server (AES). Subscribe to their security mailing lists and RSS feeds.
2.2. Patch Application: Once released, apply the official security patch provided by AcmeCorp immediately. This will likely involve updating AES to a specific patched version (e.g., AES 5.x.y or later) or applying a hotfix.
2.3. Verification: After applying the patch, verify its successful installation and functionality. Check version numbers, log files for errors during the update, and conduct smoke tests to ensure application stability.
2.4. Reboot Requirements: Be prepared for system reboots, as kernel or core component updates often require them. Plan for appropriate maintenance windows to minimize service disruption.
2.5. Configuration Review: Review any post-patch configuration changes or new recommended security settings provided by AcmeCorp. Implement these to maximize the effectiveness of the patch.
3. MITIGATION STRATEGIES
While awaiting or applying patches, and as supplementary defense, implement the following mitigation strategies to reduce the attack surface and impact of CVE-2026-63378.
3.1. Network Segmentation: Implement strict network segmentation to isolate AES instances. Restrict network access to the administrative interfaces of AES to only trusted administrative workstations or specific internal IP ranges. Utilize firewalls to enforce these rules.
3.2. Web Application Firewall (WAF) Rules: Deploy or update WAF rules to detect and block common deserialization attack patterns. This includes inspecting HTTP request bodies for unusual serialized object graphs, specific dangerous class names (e.g., those from Apache Commons Collections, Spring Framework, etc., if applicable to the underlying technology), and overly large or malformed serialized payloads directed at AES administrative endpoints.
3.3. Principle of Least Privilege: Ensure that the AES application and its underlying operating system services run with the absolute minimum necessary user privileges. Avoid running AES as root or administrator.
3.4. Input Validation and Sanitization: While the patch will address the core deserialization vulnerability, reinforce robust input validation and sanitization at all application layers. This includes validating data types,