PT-2026-33478 · Volcengine · Openviking

Published 2026-04-17 · Updated 2026-04-17 · CVE-2026-40525

Mitre

CVSS v3.1

9.1

Critical

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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.

Fix

RCE

Weakness Enumeration

CWE-636

Related Identifiers

CVE-2026-40525

Affected Products

Openviking

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-40525 · Security Note
• https://github.com/volcengine/OpenViking/commit/c7bb1676f4d037609f041bf39e4e2bd52e8f9820 · Patch
• https://github.com/volcengine/OpenViking/pull/1447 · Note
• https://twitter.com/0dayPublishing/status/2045210618441916437 · Twitter Post
• https://twitter.com/OrizonCyber/status/2045230869992944013 · Twitter Post
• https://vulncheck.com/advisories/openviking-authentication-bypass-via-vikingbot-openapi · Note