OpenBao before 2.6.4 and 2.7.x before 2.7.1 does not verify, when renewing a token issued by the Kubernetes Auth method, that the service account token originally used to authenticate is still valid. An authenticated attacker can keep renewing such tokens to persist access after the Kubernetes service account has been deleted.
Metrics
Affected Vendors & Products
References
History
Fri, 23 Oct 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 23 Oct 2026 00:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OpenBao before 2.6.4 and 2.7.x before 2.7.1 does not verify, when renewing a token issued by the Kubernetes Auth method, that the service account token originally used to authenticate is still valid. An authenticated attacker can keep renewing such tokens to persist access after the Kubernetes service account has been deleted. | |
| Title | OpenBao before 2.6.4 and 2.7.0 before 2.7.1 Kubernetes Auth Method Token Renewal After Revocation | |
| First Time appeared |
Openbao
Openbao openbao |
|
| Weaknesses | CWE-613 | |
| CPEs | cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Openbao
Openbao openbao |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-22T19:13:32.611Z
Updated: 2026-10-23T15:02:35.215Z
Reserved: 2026-10-22T11:20:02.627Z
Link: CVE-2026-115356
Updated: 2026-10-23T14:48:21.335Z
Status : Deferred
Published: 2026-10-22T19:17:41.677
Modified: 2026-10-23T15:17:28.317
Link: CVE-2026-115356
No data.