Salesforce: Performance Degradation: Core Service
AWS us-east-1 outage, Oct 9, 2026 · 17 vendors, 18 incidents
Salesforce’s incident started in the same window without naming AWS (timing only, not evidence of a link). (hop 1, posted −19 min vs the first vendor naming AWS)
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["AWS us-east-1<br/>own incident not archived"]:::inferred
h1["Within an hour<br/>5 vendors, 2 blamed AWS<br/>Convex, Temporal Cloud, JFrog, PlanetScale +1"]:::blames
root --> h1
later["Later<br/>1 vendor, 1 blamed AWS<br/>Chargebee"]:::blames
root --> later
me["Salesforce (this incident)<br/>posted −19 min"]:::me
root -.->|"same window"| meFull event: timeline, evidence and all vendors →
Detected automatically from incidents that started together and named the same provider. A link means one vendor’s incident named another, not a confirmed cause.
Affected components: Core Service84 instances
Timeline of updates
- update
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.
- update
We’ve investigated and confirmed resolution of a third party performance degradation that impacted multiple Salesforce instances. Impacted customers may have experienced latency and errors. We apologize for how this incident affected you and your business. We will undertake a full investigation of the incident, establishing the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured 05:08 UTC
In the 2026-10-18 checkpoint, timestamped by FreeTSA and DigiCert on Oct 19, 23:18 UTC. Record hash
50e12aa984035ffe…
Impact, status and times are the vendor’s own, as last archived. View on status.salesforce.com (opens in new tab).