Vulnerability details
CVE-2026-111998
vanus-labs vanus
Vanus 0.8.0 through 0.9.0 Default Admin Credentials via Gateway
CVSS 4.0
9.3Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| vanus-labs | vanus | 0.8.0 ≤ v ≤ 0.9.0 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://github.com/vanus-labs/vanus/blob/v0.9.0/internal/controller/tenant/controller.go#L449-L500 technical-description
- https://github.com/vanus-labs/vanus/blob/v0.9.0/internal/primitive/constants.go#L37 technical-description
- https://www.vulncheck.com/advisories/vanus-0.8.0-through-0.9.0-default-admin-credentials-via-gateway third-party-advisory
- https://github.com/vanus-labs/vanus/issues/647 issue-tracking
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Details
- Published
- 2026-10-18
- Last updated
- 2026-10-19
- State
- Published
- Assigner (CNA)
- VulnCheck
- Kolun priority
- 27 · Low
Exploit prediction (EPSS)
0.68%
Probability of exploitation in 30 days
52.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-1392Use of Default Credentials