PatchTheCVECVE-2023-46254: capsule-proxy is a reverse proxy for Capsule kubernetes multi-tenancy framework
CVE-2023-46254 is a medium-severity flaw (CVSS 4.3) affecting capsule, capsule-proxy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
capsule-proxy is a reverse proxy for Capsule kubernetes multi-tenancy framework. A bug in the RoleBinding reflector used by `capsule-proxy` gives ServiceAccount tenant owners the right to list Namespaces of other tenants backed by the same owner kind and name. For example consider two tenants `solar` and `wind`. Tenant `solar`, owned by a ServiceAccount named `tenant-owner` in the Namespace `solar`. Tenant `wind`, owned by a ServiceAccount named
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 64%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2023-11-06 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-46254?
capsule: upgrade to 0.4.5; capsule-proxy: upgrade to 0.4.5. Exact commands for each OS are on this page.
Is CVE-2023-46254 being exploited?
CVE-2023-46254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-46254 affect?
CVE-2023-46254 affects capsule, capsule-proxy. Severity is medium (CVSS 4.3). capsule-proxy is a reverse proxy for Capsule kubernetes multi-tenancy framework. A bug in the RoleBinding reflector used by `capsule-proxy` gives ServiceAccount tenant owners the right to list Namespaces of other tenants backed by the same
How urgent is CVE-2023-46254?
Priority 29/100. On your watchlist
Software pages
Related CVEs
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