{"id":"CVE-2026-40525","aliases":["EUVD-2026-23464","GHSA-jgq2-vq69-gr6h","PYSEC-2026-438"],"status":"published","title":"OpenViking \u003c 0.3.9 Authentication Bypass via VikingBot OpenAPI","description":"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.","severity":{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00571,"percentile":0.47579,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-636"],"published":"2026-04-17T18:19:12Z","modified":"2026-11-09T02:47:26Z","fixes":[{"ecosystem":"PyPI","package":"openviking","fixed_in":["0.3.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"openviking","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9"}]}]},{"source":"osv","ecosystem":"PyPI","package":"openviking","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9"}]}],"versions":["0.2.10.dev45","0.2.10.dev50","0.2.11","0.2.12","0.2.12.dev1","0.2.13","0.2.15","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.3.6","0.3.8"]},{"source":"osv","ecosystem":"PyPI","package":"openviking","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9"}]}],"versions":["0.1.17","0.1.18","0.2.1","0.2.10","0.2.10.dev45","0.2.10.dev50","0.2.11","0.2.12","0.2.12.dev1","0.2.13","0.2.13.dev2","0.2.13.dev4","0.2.14.dev4","0.2.15","0.2.16.dev9","0.2.3","0.2.5","0.2.6","0.3.1","0.3.2","0.3.3","0.3.4","0.3.4.dev44","0.3.5","0.3.6","0.3.6.dev42","0.3.6.dev45","0.3.6.dev46","0.3.6.dev49","0.3.6.dev79","0.3.8"]}],"products":[{"vendor":"volcengine","product":"openviking"}],"references":[{"url":"https://github.com/volcengine/OpenViking/releases/tag/v0.3.9","tags":["release-notes","Release Notes","advisory","web"]},{"url":"https://github.com/volcengine/OpenViking/pull/1447","tags":["issue-tracking","patch","Exploit","Patch","Vendor Advisory","fix","web"]},{"url":"https://github.com/volcengine/OpenViking/commit/c7bb1676f4d037609f041bf39e4e2bd52e8f9820","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openviking-authentication-bypass-via-vikingbot-openapi","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40525","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jgq2-vq69-gr6h","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40525.json","tags":["advisory"]},{"url":"https://github.com/volcengine/OpenViking","tags":["package"]},{"url":"https://pypi.org/project/openviking","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-40525","title":"OpenViking \u003c 0.3.9 Authentication Bypass via VikingBot OpenAPI","description":"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.","status":"published","published":"2026-04-17T18:19:12.315Z","modified":"2026-11-08T14:02:58.075Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-636"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-23464","description":"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.","status":"published","published":"2026-04-17T18:19:12Z","modified":"2026-11-08T14:02:58Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"updated_at":"2026-11-08T15:13:09.268962Z"}],"ghsa":[{"id":"GHSA-jgq2-vq69-gr6h","title":"OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes","description":"OpenViking prior to commit c7bb167 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.","status":"published","published":"2026-04-17T21:31:46Z","modified":"2026-04-24T20:49:52Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T14:39:57.650091Z"}],"nvd":[{"id":"CVE-2026-40525","description":"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.","status":"published","published":"2026-04-17T19:16:39.017Z","modified":"2026-10-26T00:10:00.15Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"CVE-2026-40525","title":"OpenViking \u003c 0.3.9 Authentication Bypass via VikingBot OpenAPI","description":"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.","status":"published","published":"2026-04-17T18:19:12.315Z","modified":"2026-11-09T02:47:26.407974635Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"cwes":["CWE-636"],"updated_at":"2026-11-09T03:16:17.543303Z"},{"id":"GHSA-jgq2-vq69-gr6h","title":"OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes","description":"OpenViking prior to commit c7bb167 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.","status":"published","published":"2026-04-17T21:31:46Z","modified":"2026-09-10T03:51:02.331399715Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T15:46:50.336262Z"},{"id":"PYSEC-2026-438","title":"OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes","description":"OpenViking prior to commit c7bb167 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.","status":"published","published":"2026-06-29T11:50:48.313799Z","modified":"2026-07-01T20:22:59.524333Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T15:52:57.671918Z"}]}}