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CVE-2026-111998

9.8, critical

Vanus 0.8.0 through 0.9.0 contains a default credentials vulnerability that allows unauthenticated remote attackers to gain…

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
18 Oct 2026yesterday

Description

Vanus 0.8.0 through 0.9.0 contains a default credentials vulnerability that allows unauthenticated remote attackers to gain cluster-admin access by using the hardcoded admin token. Attackers can send the fixed Bearer token to the gateway gRPC proxy port to manage namespaces, eventbuses, users, tokens, and role bindings, and read or publish events.

Details

Vendor
Vanus-labs
Product
vanus
Weakness
CWE-1392 (opens in a new tab)
Status
Received
Updated
18 Oct 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 4

Other references 4

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Vanus-labs CVEs

Every Vanus-labs CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-111999 Vanus-labs vanus Missing Authentication for Critical Function Vulnerability 7.5, high
  • CVE-2026-112000 Vanus-labs vanus Missing Authorization Vulnerability 7.6, high

Beyond this page

Is CVE-2026-111998 in your network?

This page tells you how dangerous CVE-2026-111998 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 19 Oct 2026, not the live upstream state.