- Critical 9.3
CVE-2026-111998
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.
Scores
The facts
- Published
- 18 October 2026
- Last changed
- 18 October 2026
- NVD status
- Received
- Severity
- Critical, CVSS 9.3 out of 10 (version 4.0)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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… - Weakness
- Known exploited
- Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
- EPSS
- No EPSS score in this build.
Is there a Securelyn advisory?
Not yet. Securelyn writes plain-English advisories for the flaws that matter most to businesses. Subscribe to the digest to hear about them.
References
Where this comes from
- CVE records, scores and weaknesses: the NIST National Vulnerability Database (NVD). As at 18 October 2026.
- Known exploited flaws: the CISA Known Exploited Vulnerabilities catalogue. As at 18 October 2026.
- Exploitation probability: FIRST EPSS. As at 18 October 2026.