OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | openviking | < 0.3.9 | 0.3.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-40525
- https://github.com/volcengine/OpenViking/pull/1447
- https://github.com/volcengine/OpenViking/commit/c7bb1676f4d037609f041bf39e4e2bd52e8f9820
- https://github.com/volcengine/OpenViking
- https://github.com/volcengine/OpenViking/releases/tag/v0.3.9
- https://www.vulncheck.com/advisories/openviking-authentication-bypass-via-vikingbot-openapi
- https://pypi.org/project/openviking
- https://github.com/advisories/GHSA-jgq2-vq69-gr6h
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-636- Platform
- Python (PyPI)
- Package
openviking- Disclosed
- 17.04.2026
- Updated
- 11.10.2026 15:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-438 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-jgq2-vq69-gr6h - CC BY 4.0
Vulnerability history: openviking
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 03.2026 04.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 1
Disclosures per year
- 2026: 3
-
OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes this entry
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