openid / openid/fapi

OAuth security BCP addition

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#843 2 comments 0 reactions 0 assignees View on GitHub

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component: FAPI2: Security Profile migrated-from-bitbucket priority: major type: bug
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HTML
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3
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Description

Originally submitted by josephheenan (Joseph Heenan) on 2026-03-16

Note that there's an update to the OAuth security in progress:

https://datatracker.ietf.org/doc/draft-ietf-oauth-security-topics-update/

We should probably address the document and each mentioned attack in some way.

1 attack is the private_key_jwt aud issue that's already addressed. I'm not sure about the others.


Bitbucket status: new

Bitbucket origin: issue 855

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked OAuth Security Topics Update draft and compare each mentioned attack with the current FAPI document. Check the existing private_key_jwt aud treatment, which the issue says is already addressed. Done means every relevant attack has a decided treatment and the document reflects it.

Written by the indexing model from the issue text.

Assessment

Domain
authorization, security
Issue type
Documentation
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

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