Psa: Chrom{e,ium} Cors Breaks When Using Certain VPN Setups
Postedabout 2 months agoActiveabout 2 months ago
issues.chromium.orgTechstory
calmnegative
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ChromeCorsVPN
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Chrome
Cors
VPN
Chrome's new feature breaks CORS when using certain VPN setups, causing issues with private network access, as discussed in the context of GH Actions and Azure Blob storage.
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Nov 11, 2025 at 9:36 AM EST
about 2 months ago
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In this particular case, GH Actions didn't show the logs because those are stored on Azure Blob storage - which was routed via the VPN in our setup, and since the IP is considered "private network" by Chrome it gets blocked unless the user gives an explicit additional. Safari and Firefox were fine.
https://developer.chrome.com/blog/local-network-access