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Advisory record · GHSA-jgq2-vq69-gr6h

OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes

CVSS 9.1 CriticalCriticalEPSS 0.0057 · 47th percentile

Critical, because:

  • CVSS score 9.1: 9.0 or more.

How we decide what’s critical

Published by the GitHub Advisory Database at 17 Apr 2026, 21:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
openvikingPyPI<0.3.90.3.9
Identifiers
GHSA-jgq2-vq69-gr6h · CVE-2026-40525 · PYSEC-2026-438
Weakness (CWE)
CWE-636
Tags
Published
17 Apr 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

OpenViking versions before 0.3.9 are vulnerable to an authentication bypass in the VikingBot OpenAPI HTTP routes: when the api_key setting is unset or empty, the authentication check fails open. A remote attacker with network access to the exposed service can use bot-control functions without a valid X-API-Key header, including submitting prompts, managing bot sessions, and reaching tools, integrations, and data the bot can access. Upgrade to OpenViking 0.3.9 or later. Setting a non-empty api_key is a workaround if upgrading is not possible.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.1 Critical 4.0 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 CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0057, the 47th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.