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8/1/19
I started getting CORS errors after upgrading to v76. 1 Recommended Answer 67 Replies 363 Upvotes
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I'm developing a web app that makes web service requests via Axios to an endpoint on one of our development servers. The requests are going from my local computer to an internal URL. This had been working fine up until the start of this week. Since upgrading to v76, I started getting this error:

​Access to XMLHttpRequest at '...' from origin '...' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: It does not have HTTP ok status.

​I've confirmed that the end point has the appropriate settings for Access-Control-Allow-Origin ("*"), Access-Control-Allow-Headers ("*"), and Access-Control-Allow-Methods ("POST, GET, OPTIONS, DELETE, PUT"), and that the service I'm calling is set to return status code 200 OK. The service also works without issue when I hit it directly via the browser.

I can also confirm that a coworker who is still on v75 is not having this issue, running the same exact code. Any ideas or help would be appreciated. Thanks!
All Replies (67)
8/1/19
I noticed when switching to incognito, it works but otherwise I'm getting similar issue as above.
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8/1/19
Yes, getting CORS error in all external script.
in incognito it works fine
Last edited 8/1/19
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8/2/19
I notice that the preflight OPTIONS HTTP request is not being sent on Chrome 76, whereas it was on Chrome 75 as well as Firefox.
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8/2/19
I'm experiencing the very same problem
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