hangs after wrong image type for upload

[Dexus]

What version of Codex is running?

codex-cli 0.45.0

Which model were you using?

gpt-5

What platform is your computer?

Darwin 24.6.0 arm64 arm

What steps can reproduce the bug?

I have tried to mention 2 SVG files via @ after that was not working i tried the equivalent with PNG files. But it tries again and again the SVG files, that I tried before. That should not be done it should use the new files I provided...

What is the expected behavior?

Ignore wrong format image files, and not reuse the last message(s) with wrong image types.

What do you see instead?

⚠️ stream error: unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}; retrying 1/5 in 186ms…
⚠️ stream error: unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}; retrying 2/5 in 410ms…
⚠️ stream error: unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}; retrying 3/5 in 728ms…
⚠️ stream error: unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}; retrying 4/5 in 1.612s…
⚠️ stream error: unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}; retrying 5/5 in 3.107s…
■ unexpected status 400 Bad Request: {
"error": {
"message": "The image data you provided does not represent a valid image. Please check your input and try again with one of the supported image formats: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].",
"type": "invalid_request_error",
"param": "input",
"code": "invalid_value"
}
}

Additional information

No response

[github-actions]

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

• Bug: codex (web) ignores information from images #4938
• Ctrl+V image paste shows no placeholder on Wayland despite successful clipboard read #4818
• Image in WSL do not work. #4683

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[il13h]

I also met this bug with trying to use svg files. I found that exiting codex, editing the rollout file under .codex/sessions/, finding and deleting the line with the image upload data, then resuming resolves the "stuck" conversation.