CVE-2026-40525

Summary

OpenViking prior to version 0.3.9 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke privileged bot-control functionality without providing a valid X-API-Key header, including submitting attacker-controlled prompts, creating or using bot sessions, and accessing downstream tools, integrations, secrets, or data accessible to the bot.

Affected Software

VendorProductVersion RangeStatus
volcengineOpenViking0 < 0.3.9affected
volcengineOpenVikingc7bb1676f4d037609f041bf39e4e2bd52e8f9820unaffected

Weaknesses

  • CWE-636: CWE-636 Not Failing Securely ('Fail Open')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References