# LaunchDarkly: CORS errors for a small subset of customers

> LaunchDarkly status incident “CORS errors for a small subset of customers” on 2025-08-27: impact minor (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3
Last updated: 2025-08-27T04:00:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-08-27 04:00 UTC · Resolved: 2025-08-27 04:00 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.launchdarkly.com/incidents/kymz9x9cqwv3](https://status.launchdarkly.com/incidents/kymz9x9cqwv3)
- [Company: LaunchDarkly](https://rewindex.com/company/launchdarkly.md)

## Timeline of updates

- **resolved** 2025-08-27 04:00 UTC: A small number of customers using the LaunchDarkly JavaScript client side SDK with use cases that involved a single browser session requesting the same LaunchDarkly environment from two or more domains in certain situations experienced CORS errors when initializing the SDK from secondary domains. The impact started on Aug 22 and was mitigated on Aug 26. This issue has now been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by LaunchDarkly, started 2025-08-27 04:00 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3
- Citation: LaunchDarkly, “CORS errors for a small subset of customers” (2025-08-27 04:00 UTC). Archived by Rewindex: https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3 (CC BY 4.0).
- Markdown link: `[LaunchDarkly: CORS errors for a small subset of customers (2025-08-27)](https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3)`


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Canonical: https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3 · Markdown: https://rewindex.com/company/launchdarkly/incidents/kymz9x9cqwv3.md · JSON: https://rewindex.com/api/v1/companies/launchdarkly/incidents/kymz9x9cqwv3 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:01:21.662Z