{"id":"CVE-2026-40525","summary":"OpenViking \u003c 0.3.9 Authentication Bypass via VikingBot OpenAPI","details":"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.","aliases":["GHSA-jgq2-vq69-gr6h","PYSEC-2026-438"],"modified":"2026-07-08T08:13:12.508674135Z","published":"2026-04-17T18:19:12.315Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40525.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-636"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40525.json"},{"type":"ADVISORY","url":"https://github.com/volcengine/OpenViking/releases/tag/v0.3.9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40525"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openviking-authentication-bypass-via-vikingbot-openapi"},{"type":"REPORT","url":"https://github.com/volcengine/OpenViking/pull/1447"},{"type":"FIX","url":"https://github.com/volcengine/OpenViking/commit/c7bb1676f4d037609f041bf39e4e2bd52e8f9820"},{"type":"PACKAGE","url":"https://github.com/volcengine/OpenViking"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/volcengine/openviking","events":[{"introduced":"0"},{"fixed":"98b47904eeda711dc7f2cc607509d8f38944e46d"},{"fixed":"c7bb1676f4d037609f041bf39e4e2bd52e8f9820"}],"database_specific":{"cpe":"cpe:2.3:a:volcengine:openviking:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.3.9"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.2.15","v0.2.14","v0.2.13","v0.2.12","v0.2.11","v0.2.9","v0.2.8","v0.2.6","v0.2.5","v0.2.3","v0.2.2","v0.2.1","cli@0.2.0","v0.1.18","v0.1.17","v0.1.16","v0.1.15","v0.1.14","v0.1.12","v0.1.11","v0.1.10","v0.1.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40525.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}