sandbox_extension_issue_file_to_process failed for /Applications/Firefox.app/Contents/MacOS/plugin-container.app: 1 (Operation not permitted)

AxbMoz — Sun, 20 Sep 2026 06:53:24 GMT

Firefox 156.0 (aarch64) - MacOS 27

run firefox.sh
#!/bin/bash
/Applications/Firefox.app/Contents/MacOS/firefox --new-tab --url https://cnn.com/ --new-tab --url "https://politico.com" --new-tab --url "https://ahuffpost.com"
exit

Result:

sandbox_extension_issue_file_to_process failed for /Applications/Firefox.app/Contents/MacOS/plugin-container.app: 1 (Operation not permitted)
2026-09-20 06:48:00.256 Firefox GPU Helper[17120:1815416] Failure on line 688 in function id scheduleApplicationNotification(LSNotificationCode, NSWorkspaceNotificationCenter *): noErr == _LSModifyNotification(notificationID, 1, &code, 0, NULL, NULL, NULL)
2026-09-20 06:48:00.310 Firefox GPU Helper[17120:1815461] Connection Invalid error for service com.apple.hiservices-xpcservice.
2026-09-20 06:48:00.310 Firefox GPU Helper[17120:1815416] Error received in message reply handler: Connection invalid
UNSUPPORTED (log once): POSSIBLE ISSUE: unit 1 GLD_TEXTURE_INDEX_2D is unloadable and bound to sampler type (Float) - using zero texture because texture unloadable
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Anybody else seeing this with the sample script I used?

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sandbox_extension_issue_file_to_process failed for /Applications/Firefox.app/Contents/MacOS/plugin-container.app: 1 (Operation not permitted)