CVE-2026-40525 — OpenViking < 0.3.9 Authentication Bypass via VikingBot OpenAPI
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 …
Published: 2026-04-17 · CVSS: 9.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7