Regression in v2.1262.0 - "Request is missing authentication token"

[whih0818]

Describe the bug

We are using serverless framework.
When trying deploy serverless framework application to aws, failed with "Request is missing authentication token".

SigV4 Authorization header not exists on v2.1262.0, it failed.
So i forcelly downgrade with aws-sdk version to v2.1261.0 and it worked as expected.

Expected Behavior

Properly generate and fill 'Authorization' header with AWS V4 Signature

Current Behavior

Invalid 'Authorization' header configured

Reproduction Steps

Make Cloudformation describeStacks API call

Possible Solution

No response

Additional Information/Context

No response

SDK version used

v2.1262.0

Environment details (OS name and version, etc.)

debian 9, node 12.22.5

[kayman-mk]

See #4285

[brainframe-me]

This is causing a lot of issues in the serverless world as well:
serverless/serverless#11561

[prashant9428]

solution- downgrade the SDK version untill the new release comes

[sbmvirdi]

+1

[Drilmo]

+1

[MehranJanfeshan]

+1

[MehranJanfeshan]

+1

[GauravRachchh]

+1

[BasilaryGroup]

+1

[Antoniojfl]

+1

[trivikr]

The AWS SDK for JavaScript team is looking into this issue.

If anyone has a minimal repro, please add it as an issue comment.
We'll provide one, when we come across while triaging.

[trivikr]

The v2.1262.0 changelog for reference: https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md#212620

[trivikr]

Commits between the releases v2.1261.0...v2.1262.0

The issue is likely in one of the following PRs:

• Read identity type from service.api.signatureVersion #4274
• fix(service): use service signatureVersion as default #4284

[trivikr]

Commits between releases v2.1259.0...v2.1262.0

There were no custom changes released in v2.1260.0 or v2.1261.0

[ajredniwja]

Update: The team is currently working on pushing a fix.

[dsuhinin]

+1

[trivikr]

Verified that fix from #4288 fixes the issue.

Refer Pull request in https://github.com/trivikr/serverless-aws-bug/pull/1
We're aiming to release this fix in v2.1263.0 within the next 24 hours.

[sobolk]

+1

[kim00425]

same here

[trivikr]

Release v2.1263.0 is out, and verified that "Request is missing Authentication Token" error is no longer thrown.

andrmoel/serverless-aws-bug#2