Description

A vulnerability was identified in cu silicon up to 0.1.5. Affected by this vulnerability is the function create_app of the file views.py of the component edit Endpoint. Such manipulation leads to missing authentication. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.3",
  "pubDate": "2026-08-31T21:17:55.030Z",
  "pubdate": "2026-08-31T21:17:55.030Z",
  "executiveSummary": "A critical security vulnerability involving missing authentication has been identified in the 'cu silicon' software, affecting all versions up to and including 0.1.5.\nThe vulnerability resides within the 'create_app' function located in 'views.py', specifically impacting the 'edit' endpoint.\nThis flaw permits unauthorized remote actors to bypass security controls, potentially allowing them to interact with or manipulate the application's state without providing valid credentials.\nThe vulnerability carries a significant risk, as it effectively nullifies the authentication layer for the affected functionality, granting unauthenticated remote attackers access to sensitive internal logic.\nPublicly available exploit code increases the urgency of remediation, as the barrier to entry for potential adversaries is lowered.\nGiven the lack of response from the vendor, proactive defensive measures are required to mitigate the exposure of the application to the network.",
  "technicalDetails": "The vulnerability is characterized as a failure to enforce authentication protocols, classified as a missing authentication flaw.\nThe root cause is located within the 'create_app' function in 'views.py', which defines the application entry point or configuration handling for the 'edit' endpoint. In versions up to 0.1.5, the application fails to verify the identity or authorization tokens of the request sender before executing the logic defined within this function.\nExploitation occurs via remote access over the network. An attacker can craft arbitrary HTTP requests directed at the 'edit' endpoint. Because the application logic lacks a middleware check or a functional decorator to validate session integrity, identity assertions, or API keys, the server proceeds to execute the handler as if the request originated from a legitimate, authenticated user.\nThe attack flow is straightforward: 1) The attacker identifies the target server running 'cu silicon' 0.1.5 or lower. 2) The attacker sends a request targeting the vulnerable 'edit' endpoint. 3) The 'create_app' function processes the request parameters without enforcing authentication requirements. 4) The application executes the requested operations, granting the attacker unauthorized interaction with the system's underlying functionality.\nThe impact of this vulnerability is severe, as it bypasses the primary security perimeter of the 'edit' endpoint. Depending on the specific capabilities enabled by this endpoint, an attacker could potentially modify configuration data, manipulate internal records, or trigger backend processes that were intended to be restricted to administrative or authorized user roles. Because the exploit is publicly available, the likelihood of automated scanning and opportunistic exploitation is high.\nAs of the current assessment, there is no official vendor-provided patch. The exposure remains persistent for any deployments running the affected versions, necessitating immediate manual intervention by administrators to prevent unauthorized access."
}