The validate links workflow is getting a 403 Forbidden error for https://intellij-support.jetbrains.com/hc/en-us/articles/206544519-Directories-used-by-the-IDE-to-store-settings-caches-plugins-and-logs However it works correctly when manually visited. The site must be blocking scripts and/or GitHub actions. Script should be updated to fix 403 issue, or create an allow list to pass specific URLs that return a 403 (but still fail for other error codes).