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Status: Investigating We are currently investigating an issue affecting the InField application where a UI license watermark ("MUI X Missing License Key") is displayed. Impact: This is a minor visual UI issue and does not impact functionality, data integrity, or core user workflows. Our engineering teams are actively investigating the root cause and working on a resolution. Affected components Cognite InField (Degraded performance)

Status: Resolved The license key configuration for Cognite InField has been updated, and the missing license key watermark is now fully resolved across all affected environments. All services are operating normally. Thank you for your patience! Affected components Cognite InField (Operational)

Status: Investigating We are currently investigating an issue affecting Cognite Maintain for OMV Romania Asset Oil in Production. Users with edit rights are unable to update an activity date, create duplicates, or run deferment calculations. Browsing and read actions continue to work normally. All other customers and clusters are unaffected. Our engineering team is actively investigating the root cause and will provide further updates as soon as possible Affected components Cognite Maintain (Degraded performance)

Status: Resolved We identified and fixed an issue affecting Cognite Maintain for OMV Petrom Romania (Asset Oil) where users with edit access could not update activity dates, duplicate activities, or run deferment calculations in production. Read-only access was not affected. The fix has been applied and the service is operating normally. Root cause: Expired application client secrets on the backend authentication path caused write operations to return 401 Unauthorized in production only. Resolution: New client secrets were generated and applied. The service is operating normally as of Jul 15, 2026, 1:10pm UTC. Affected components Cognite Maintain (Operational)

Status: Investigating We have identified a UI interuption affecting a subset of projects in the cluster that is related to a MUI X Missing license key overlay in the Search UI. The team is currently investigating and a fix is on the way. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

Status: Identified The team has identified the issue and a fix is currently on the way to contain the issue. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

Status: Monitoring The team has deployed the revert for the change linked to the MUI X Missing license key overlay, with that the incident is now contained where we will be monitoring the applied changes to see the stability of the fix. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)

Status: Resolved The MUI X Missing license key warning is no longer showing in production, and Search/Data Exploration is behaving normally. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)

Status: Investigating An issue has been identified affecting Custom Apps for some users, where the page may display "No apps available" despite apps being present. The root cause is currently under investigation, and updates will be provided as more information becomes available. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion UI (Degraded performance) Cognite Hub (Degraded performance)

Status: Monitoring The engineering team has identified the root cause and deployed a fix. The Custom Apps view has been confirmed to be functioning normally. The service is being monitored to ensure continued stability. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Hub (Operational)

Status: Resolved The engineering team has confirmed that the Custom Apps page is fully operational for all users following the fix. The incident has been resolved and is now closed. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Hub (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational) Cognite Data Fusion UI (Operational)

Status: Investigating We are currently investigating an issue where Data Modeling search and aggregate results are not refreshing as expected on the az-eastus-1 cluster. Users may experience incorrect or zero counts in search results, and newly ingested data may not appear in the CDF Search UI. Our engineering team has identified the root cause and a fix is currently in progress. We will provide further updates as the situation develops. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

Status: Identified We have identified the cause of an issue affecting Data Modeling search and aggregate results on the az-eastus-1 cluster. This issue is limited to a specific data pattern and does not affect all customers only projects ingesting JSON data where one key is used as a prefix before a dot (.) in another key within the same JSON object are impacted. Workaround: To avoid triggering this issue, please ensure JSON objects do not contain keys where one key shares a prefix with another key before a dot (.) or end of string. For example, a structure where one key appears as a prefix of another dot-separated key should be avoided. Our engineering team is actively working on a permanent fix. We will provide further updates as the situation develops. Affected components Cognite Data Fusion API (Degraded performance) Cognite Data Fusion UI (Degraded performance)

Status: Identified A bug in the Elasticsearch mapping refresh is causing search and aggregate results to not update for projects using JSON properties where a plain key and a dotted key share a prefix (e.g. "min" and "min.A" in the same JSON object). A first fix was insufficient; a second fix (PR #1908) is now in pipeline and rollout to az-eastus-1 is expected within ~1 week, pending testing. Example of triggering data pattern: { "min": "value", "min.A": "nested_value" } Any JSON property where a plain key (min) and a dotted key (min.A) share the same prefix will trigger the naming collision. Currently fixing is in progress. Affected components Cognite Data Fusion API (Degraded performance) Cognite Data Fusion UI (Degraded performance)

Status: Identified The fix for the Elasticsearch mapping bug has been deployed to staging and initial results look good. Pending successful staging validation, rollout to production is planned throughout next week. The workaround remains to avoid using JSON keys with shared prefixes and dotted variants. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

Status: Monitoring The fix has been applied and indexing has resumed. We are currently monitoring the state of the fix at this stage. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)

Status: Resolved The issue has now been fully contained and marked as resolved. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)