CVE-2026-60407: Oracle TimesTen Information Disclosure Flaw

CVE-2026-60407 Overview

CVE-2026-60407 affects the Kubernetes Operator component of Oracle TimesTen In-Memory Database version 26.1.1.1.0. The flaw allows a low-privileged attacker with local logon access to the infrastructure hosting TimesTen to compromise confidentiality. Although rooted in TimesTen, exploitation results in a scope change that can impact additional products in the environment. Successful exploitation grants unauthorized read access to critical or all TimesTen-accessible data. Oracle disclosed the issue in the July 2026 Critical Patch Update.

Critical Impact
An authenticated local attacker can obtain unauthorized access to all data managed by Oracle TimesTen In-Memory Database, with scope-changing effects on adjacent Kubernetes-hosted workloads.

Affected Products

Oracle TimesTen In-Memory Database 26.1.1.1.0
Component: Kubernetes Operator
Deployments running the affected Operator in Kubernetes clusters

Discovery Timeline

2026-07-21 - CVE-2026-60407 published to NVD
2026-07-23 - Last updated in NVD database

Technical Details for CVE-2026-60407

Vulnerability Analysis

The vulnerability resides in the Kubernetes Operator that manages Oracle TimesTen In-Memory Database deployments. An attacker must already possess low-privileged credentials and local access to the infrastructure where TimesTen runs. Exploitation is rated as high complexity, meaning the attacker needs favorable conditions or additional preparation to succeed.

Once exploited, the flaw crosses a trust boundary. The scope change indicates that the Operator or its associated service account can affect resources outside the initial TimesTen security context. This behavior is consistent with Kubernetes Operators that hold elevated cluster privileges to manage custom resources, secrets, and pods.

The impact is limited to confidentiality. Integrity and availability are not affected, meaning the attacker cannot alter or destroy data through this vector alone. However, complete read access to TimesTen data may include sensitive application records, credentials stored in memory, and configuration secrets.

Root Cause

Oracle has not published the underlying weakness class or CWE identifier for CVE-2026-60407. Based on the attack surface, the root cause resides in how the Kubernetes Operator handles authorization or resource access on behalf of TimesTen-managed workloads. Refer to the Oracle Security Alert July 2026 for vendor-provided details.

Attack Vector

The attack requires local access to the infrastructure and a valid low-privileged account. An attacker operating inside the Kubernetes cluster, such as a compromised pod or a user with limited RBAC permissions, can attempt to abuse Operator-managed resources to reach TimesTen data. No user interaction is required, and the scope change permits impact on components beyond TimesTen itself.

No public proof-of-concept or exploit code is available. See the Oracle Security Alert July 2026 for vendor guidance on exploitation prerequisites.

Detection Methods for CVE-2026-60407

Indicators of Compromise

Unexpected read operations against TimesTen data stores originating from low-privileged service accounts or pods.
Anomalous API calls from the TimesTen Kubernetes Operator to resources outside its managed namespace.
Access to Kubernetes secrets or ConfigMaps associated with TimesTen by identities that do not typically require them.

Detection Strategies

Audit Kubernetes API server logs for calls made by the TimesTen Operator service account and correlate against expected reconciliation patterns.
Monitor TimesTen database audit logs for read queries executed under Operator-associated credentials.
Baseline normal Operator behavior and alert on privilege use that deviates from the reconciliation loop.

Monitoring Recommendations

Enable Kubernetes audit logging at the Metadata or RequestResponse level for all namespaces hosting TimesTen.
Forward Operator, kube-apiserver, and TimesTen logs to a centralized SIEM for correlation.
Alert on any binding changes that grant additional privileges to the TimesTen Operator service account.

How to Mitigate CVE-2026-60407

Immediate Actions Required

Apply the fixes from the Oracle Critical Patch Update released in July 2026 to all instances of Oracle TimesTen In-Memory Database 26.1.1.1.0.
Inventory Kubernetes clusters running the TimesTen Operator and prioritize patching in environments with multi-tenant workloads.
Rotate credentials and secrets that may have been exposed to Operator-controlled contexts.

Patch Information

Oracle addressed CVE-2026-60407 in the July 2026 Critical Patch Update. Consult the Oracle Security Alert July 2026 for patch downloads, version details, and installation prerequisites.

Workarounds

Restrict local logon access to nodes hosting the TimesTen Operator to a minimal set of trusted administrators.
Enforce least-privilege RBAC for all service accounts interacting with TimesTen custom resources.
Apply Kubernetes NetworkPolicies to limit which pods can communicate with TimesTen Operator endpoints.
Enable Pod Security Standards at the restricted level in namespaces running TimesTen workloads.

bash

# Configuration example
# Restrict RBAC for the TimesTen Operator service account
kubectl get clusterrolebindings -o json | \
  jq '.items[] | select(.subjects[]?.name=="timesten-operator")'

# Apply a namespace-scoped NetworkPolicy limiting egress
kubectl apply -n timesten -f - <<EOF
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: restrict-timesten-operator
spec:
  podSelector:
    matchLabels:
      app: timesten-operator
  policyTypes:
    - Egress
  egress:
    - to:
        - namespaceSelector:
            matchLabels:
              name: timesten
EOF