A majority of the people in the poll voted there was not a problem.|

Are you a +1 that exfiltration of the authorization code is a problem?

What about that problem was vague in the proposal?



On Mon, Sep 28, 2026 at 6:03 PM Aaron Parecki <[email protected]> wrote:

> I did. I believe there is a problem to solve, and I don't think the
> current draft articulates the problem well or is even necessarily the right
> direction for the solution.
>
>
> On Mon, Sep 28, 2026 at 9:57 AM Dick Hardt <[email protected]> wrote:
>
>> The poll was what people voted on.
>>
>> The poll was to see if there was agreement that there was a problem to be
>> solved. It was not that complicated. I had thought from the mail list that
>> there was consensus on wanting to solve the problem. The poll showed
>> otherwise.
>>
>> Rather than arguing about the poll -- you can answer the question I am
>> posing. If the list disagrees with the pole, then we can work on the
>> problem. If not, then there is no value in working on a problem the WG does
>> not think is a problem.
>>
>>
>>
>> On Mon, Sep 28, 2026 at 5:49 PM Aaron Parecki <[email protected]> wrote:
>>
>>> My understanding of the conversation on the call was that the WG does
>>> agree there is a problem, but the draft presented did not articulate the
>>> problem well enough. The wording of the poll did not capture the
>>> conversation very well.
>>>
>>>
>>> On Mon, Sep 28, 2026 at 8:59 AM Dick Hardt <[email protected]> wrote:
>>>
>>>> I'll repeat, the poll was ""Do people agree there is a problem to be
>>>> solved"
>>>>
>>>> and the votes were a majority *no*.
>>>>
>>>> None of these agreements came out of the WG call:
>>>>
>>>> Members of the WG agree there is a problem/smoking gun
>>>>> Members of the WG disagree on the breaking change introduce as the
>>>>> unitarily option to solve it
>>>>> Members of the WG agree to more deeply formalize the problem so that
>>>>> additional options to work on could be formalized post adoption
>>>>
>>>>
>>>> And I'm unclear what "the breaking change" is referring to.
>>>>
>>>> The proposed solution (which was not voted on) does not break anything
>>>> existing. It allows incremental deployment.
>>>>
>>>>
>>>> On Mon, Sep 28, 2026 at 3:10 PM Aaron Parecki <[email protected]>
>>>> wrote:
>>>>
>>>>> I will add my American 2 cents to Jeff's summary.
>>>>>
>>>>>
>>>>> On Mon, Sep 28, 2026 at 7:03 AM Lombardo, Jeff <jeffsec=
>>>>> [email protected]> wrote:
>>>>>
>>>>>> Are you, Emelia and Dick [and all who voted], saying the same thing?
>>>>>>
>>>>>> "Do people agree there is a problem to be solved" is not a the same
>>>>>> of "Do people agree there is a problem to be solved *like that*" as
>>>>>> Emelia pointed.
>>>>>>
>>>>>>
>>>>>>
>>>>>> My 2 Canadian cents (roughly 0.1 US cent those days) is that:
>>>>>>
>>>>>>    - Members of the WG agree there is a problem/smoking gun
>>>>>>    - Members of the WG disagree on the breaking change introduce as
>>>>>>    the unitarily option to solve it
>>>>>>    - Members of the WG agree to more deeply formalize the problem so
>>>>>>    that additional options to work on could be formalized post adoption
>>>>>>
>>>>>>
>>>>>>
>>>>>> *Jean-François “Jeff” Lombardo* | Amazon Web Services
>>>>>>
>>>>>>
>>>>>> Principal Standards Specialist, Identity Services
>>>>>> Montréal, Canada
>>>>>>
>>>>>>
>>>>>>
>>>>>> *From:* Dick Hardt <[email protected]>
>>>>>> *Sent:* September 28, 2026 8:48 AM
>>>>>> *To:* [email protected]
>>>>>> *Cc:* Sam Goto <[email protected]>
>>>>>> *Subject:* [EXT] [OAUTH-WG] Re: Is authorization code exfiltration a
>>>>>> problem the WG wants to solve?
>>>>>>
>>>>>>
>>>>>>
>>>>>> *CAUTION*: This email originated from outside of the organization.
>>>>>> Do not click links or open attachments unless you can confirm the sender
>>>>>> and know the content is safe.
>>>>>>
>>>>>>
>>>>>>
>>>>>> *AVERTISSEMENT*: Ce courrier électronique provient d’un expéditeur
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>>>>>>
>>>>>>
>>>>>>
>>>>>> Checking in to see if this problem is something the WG wants to work
>>>>>> on.
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Sep 22, 2026 at 5:19 PM Dick Hardt <[email protected]>
>>>>>> wrote:
>>>>>>
>>>>>> Hi Emilia
>>>>>>
>>>>>>
>>>>>>
>>>>>> The poll text was "Do people agree there is a problem to be solved"
>>>>>>
>>>>>>
>>>>>> https://datatracker.ietf.org/doc/polls-interim-2026-oauth-05-202609211300/
>>>>>>
>>>>>> Slide 4 of the presentation was presented during the poll.
>>>>>>
>>>>>>
>>>>>> The poll was not adoption of the draft by the WG.
>>>>>>
>>>>>> /Dick
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Sep 22, 2026 at 5:02 PM Emelia S. <[email protected]>
>>>>>> wrote:
>>>>>>
>>>>>> Hi Dick,
>>>>>>
>>>>>>
>>>>>>
>>>>>> My interpretation from yesterday was that we were asked "Do we want
>>>>>> to adopt this specific solution" and the answer was "no, because it's
>>>>>> unclear if this actually solves the problem or not based on reading the
>>>>>> draft text alone"
>>>>>>
>>>>>>
>>>>>>
>>>>>> There's no clear definition of the problem, therefore there can't be
>>>>>> a solution, yet.
>>>>>>
>>>>>>
>>>>>>
>>>>>> — Emelia
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 22 Sep 2026, at 17:05, Dick Hardt <[email protected]> wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Hey
>>>>>>
>>>>>>
>>>>>>
>>>>>> At the September 21 interim [1], the chairs asked if there
>>>>>> authorization code exfiltration is a problem to be solved. 3 said yes, 5
>>>>>> said no.
>>>>>>
>>>>>>
>>>>>>
>>>>>> The authorization code is a credential that we deliver in the
>>>>>> redirect URL. From there it can be exfiltrated through history, logs,
>>>>>> Referer, page JavaScript and extensions. Based on the Browser-Swapping
>>>>>> thread [2] and the support for Redirect Headers in December [3], I had
>>>>>> thought there was consensus that this is a problem.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Do you think exfiltration of the authorization code is a problem this
>>>>>> WG should solve?
>>>>>>
>>>>>>
>>>>>>
>>>>>> /Dick
>>>>>>
>>>>>>
>>>>>>
>>>>>> [1]
>>>>>> https://datatracker.ietf.org/meeting/interim-2026-oauth-05/session/oauth
>>>>>>
>>>>>> [2]
>>>>>> https://mailarchive.ietf.org/arch/msg/oauth/K8Wnw08GzPstyAQAh0JmSB47pOQ/
>>>>>>
>>>>>> [3]
>>>>>> https://mailarchive.ietf.org/arch/msg/oauth/FFkUlOiz7I4K03pqjMfIFkxAwA8/
>>>>>>
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>>>>>>
>>>>>>
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>>>>>>
>>>>>
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