# Salesforce: Major incident: Cc Carts Unavailable: Core Service

**Summary:** Salesforce reported a major Core Service outage blocking B2B Commerce on Core cart/checkout workflows in most sandbox environments because underlying API calls failed. Recorded from 2026-08-29 03:07 UTC to 2026-08-31 02:40 UTC (47 h 33 min), it was marked resolved; Salesforce validated a fix-forward and began a staggered rollout. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-29 03:07 UTC · Detected: 2026-10-18 05:08 UTC
- [Source: https://status.salesforce.com/incidents/20004382](https://status.salesforce.com/incidents/20004382)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)
- Versions: before (none: first archived) → after incident\_version:130/20004382@7793c38dba39
- Change 1 of 1 for this incident

Incident page (full timeline): [Cc Carts Unavailable: Core Service](https://rewindex.com/company/salesforce/incidents/20004382.md)
## What changed

**1. Added: Title**

```diff
+ Cc Carts Unavailable: Core Service
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-29 03:07 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-31 02:40 UTC
```

**6. Added: Affected components**

```diff
+ 188 instances, Core Service
```

**7. Added: Update** (update) · 2026-08-30 10:23 UTC

```diff
+ Starting at 09:34 UTC on August 30, 2026, we identified a service disruption affecting the cart experience in B2B Commerce on Core sandbox environments. As a result, customers in impacted sandboxes are unable to complete certain cart-related workflows, as the underlying API calls used by those workflows are failing. We have identified the source of the issue and are currently evaluating remediation options, while a broader fix is prepared. We will provide an update within 30 minutes or sooner if additional information becomes available.
```

**8. Added: Update** (update) · 2026-08-30 10:25 UTC

```diff
+ Investigations have highlighted that the impact radius is broader than initially understood. We have updated the posting to reflect the additional instances experiencing impact, and customers in these instances will receive communications related to this incident going forward.  
```

**9. Added: Update** (update) · 2026-08-30 11:03 UTC

```diff
+ We identified the technical trigger and confirmed the impact affects most sandbox environments, excluding a subset of specialized environments. We are working on a potential fix and actively working on multiple swim lanes to resolve the issue as soon as possible.    We will provide a further update once we have more details to share, or sooner if the situation changes.
```

**10. Added: Update** (update) · 2026-08-30 20:39 UTC

```diff
+ We're continuing to work on resolving this issue. Our teams have identified the technical trigger and are working on the fix. We will provide a further update once we have more details to share, or sooner if the situation changes.
```

**11. Added: Update** (update) · 2026-08-31 00:26 UTC

```diff
+ We continue working to resolve the disruption affecting cart checkout workflows in B2B Commerce on Core sandbox environments. Having identifed the technical trigger, we’re building a fix-forward release, as deploying this will be the quickest way to restore services to users. This fix is in final testing, and will be deployed to one instance to assess its effectiveness. Following successful monitoring, this will be rolled out to all impacted instances. At present, we’re unable to clarify how long this will take.  We’ll provide the next update once we have insight into the viability of the fix-forward deployment. We apologize for any inconvenience this issue is causing to customers. 
```

**12. Added: Update** (update) · 2026-08-31 01:33 UTC

```diff
+ The fix-forward has been validated as successful, and we are proceeding with a staggered release across all impacted environments. This may take up to 24 hours to complete. We’ll provide a new update if there are any issues with the rollout.  We apologize for any inconvenience this issue is causing to customers. 
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-29 03:07 UTC | Major incident: Cc Carts Unavailable: Core Service (this change) | outage |

All Salesforce changes: [timeline](https://rewindex.com/company/salesforce/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/ie2f7ca65fba8d7 · Markdown: https://rewindex.com/change/ie2f7ca65fba8d7.md · JSON: https://rewindex.com/api/v1/changes/ie2f7ca65fba8d7 · Generated 2026-10-18T11:25:17.525Z