secrets-store-sync-controller discloses service account tokens in logs in sigs.k8s.io/secrets-store-sync-controller
secrets-store-sync-controller discloses service account tokens in logs in sigs.k8s.io/secrets-store-sync-controller
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Kubernetes secrets-store-sync-controller in versions before 0.0.2 discloses service account tokens in logs.
secrets-store-sync-controller discloses service account tokens in logs in sigs.k8s.io/secrets-store-sync-controller
Hello Kubernetes Community, A security issue was discovered in secrets-store-sync-controller where an actor with access to the controller logs could observe service account tokens. These tokens could then potentially be exchanged with external cloud providers to access secrets stored in cloud vault solutions. Tokens are only logged when there is a specific error marshaling the `parameters` sent to the providers. ### Am I vulnerable? To check if tokens are being logged, examine the manager container log: ```bash kubectl logs -l 'app.kubernetes.io/part-of=secrets-store-sync-controller' -c manager -f | grep --line-buffered "csi.storage.k8s.io/serviceAccount.tokens" ``` ### Affected Versions - secrets-store-sync-controller < v0.0.2 ### How do I mitigate this vulnerability? Upgrade to secrets-store-sync-controller v0.0.2+ ### Fixed Versions - secrets-store-sync-controller >= v0.0.2 ### Detection Examine cloud provider logs for unexpected token exchanges, as well as unexpected access to cloud vault secrets. If you find evidence that this vulnerability has been exploited, please contact [[email protected]](https://groups.google.com/) ### Acknowledgements This vulnerability was reported by Reem Rotenberg and [Kas Dekel](https://github.com/privmickas) from Microsoft.
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7445.json
- https://github.com/kubernetes-sigs/secrets-store-sync-controller
- https://github.com/kubernetes/kubernetes/issues/133897
- https://groups.google.com/g/kubernetes-security-announce/c/NP7cQvQ1aGA
- https://nvd.nist.gov/vuln/detail/CVE-2025-7445
- https://github.com/kubernetes-sigs/secrets-store-sync-controller/security/advisories/GHSA-rcw7-pqfp-735x