{"id":"CVE-2026-40525","title":"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","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 attack…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-636"],"vendor":"volcengine","product":"openviking","affected":["openviking < 0.3.9"],"patched":["openviking 0.3.9"],"published":"2026-04-17","updated":"2026-10-08","sourceUpdated":"2026-10-08T16:17:15.280","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-40525","references":[{"url":"https://github.com/volcengine/OpenViking/commit/c7bb1676f4d037609f041bf39e4e2bd52e8f9820","label":"disclosure@vulncheck.com"},{"url":"https://github.com/volcengine/OpenViking/pull/1447","label":"disclosure@vulncheck.com"},{"url":"https://github.com/volcengine/OpenViking/releases/tag/v0.3.9","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openviking-authentication-bypass-via-vikingbot-openapi","label":"disclosure@vulncheck.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40525"},{"url":"https://github.com/volcengine/OpenViking"}],"tags":["nvd","cve.org","osv","pip"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-04-20T13:37:40.440711Z"},"epss":0.00571,"epssPercentile":0.47055,"aliases":["GHSA-jgq2-vq69-gr6h","PYSEC-2026-438"],"ecosystem":"pip","ingestedAt":"2026-09-12T03:13:01.705Z","slug":"CVE-2026-40525","body":"## Overview\n\nOpenViking 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.\n\n## Affected\n\n- `openviking < 0.3.9`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openviking 0.3.9`\n\n## Package advisory (CVE-2026-40525)\n\nAffected packages:\n\n- `openviking < 0.3.9`\n\nPatched in:\n\n- `openviking 0.3.9`\n\nSource: https://osv.dev/vulnerability/GHSA-jgq2-vq69-gr6h","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}