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Raymond27038140oiz0
Participating Frequently
August 6, 2026
Answered

Regression in Adobe Acrobat Chrome extension - verified and reproducible

  • August 6, 2026
  • 5 replies
  • 169 views

We believe we've identified a regression in the Adobe Acrobat Chrome extension introduced in the recent 26.7.x releases. 

Our web application generates PDF reports in response to an authenticated HTTP POST. 

The server returns the PDF successfully. However, when the Adobe extension is enabled, immediately after the successful POST, the browser performs an unexpected GET request to the same URL. 

This GET fails because the endpoint is POST-only. 

When the Adobe extension is disabled, the unexpected GET does not occur, and the application functions normally. 

We have HAR files and server logs showing both cases. (extension enabled and extension disabled) 

We also noted a related report regarding version 26.7.2.0 and authenticated PDFs in the community.

Can engineers investigate this. We are currently telling users of our app to turn off the extension (and then it works fine) Note: It has been working fine for the last 6 years with the Adobe Extension. This is a new behavor for an existing solution.

Happy to privately share a HAR trace showing the related GET, and access to a reproducible test case if required.

    Correct answer Amal Jaiswal

    Hi All, 


    Thank you for your patience so far.


    Please update to the latest extension version (26.8.1.6), which includes the fix, and check if it resolves the issue.

    If you continue to experience the same problem, please let us know.

    ~Amal

     

    5 replies

    Serendipitous_Odysseyd15d
    Participant
    August 10, 2026

    (deleted)

    Amal Jaiswal
    Community Manager
    Amal JaiswalCommunity ManagerCorrect answer
    Community Manager
    August 10, 2026

    Hi All, 


    Thank you for your patience so far.


    Please update to the latest extension version (26.8.1.6), which includes the fix, and check if it resolves the issue.

    If you continue to experience the same problem, please let us know.

    ~Amal

     

    Amal Jaiswal
    Community Manager
    Amal JaiswalCommunity Manager
    Community Manager
    August 6, 2026

    ​Hi @Raymond27038140oiz0 ,

    Hope you are doing well and thanks for reaching out. We are sorry for the trouble you are experiencing.

    A couple of things that'll help get this in front of engineering faster:

    • Which exact extension version(s) have you confirmed this on just 26.7.2.0, or other 26.7.x builds too?

    • What Chrome version and OS are you testing with?

    • Does the unexpected GET happen on every authenticated POST-returned PDF, or only under specific conditions (e.g., certain response headers, file size, Content-Disposition)?

    It's worth linking the other 26.7.2.0 thread you mentioned in your report so they can be triaged together instead of separately.

    You may also submit this through Adobe's official bug/feature form so it gets logged and routed to engineering directly: https://adobe.ly/3TGfNsw. Include the HAR files and the version/OS details above that level of detail (plus a reproducible test case) is exactly what engineering needs to move on something like this quickly.

     

    ~Amal

    Raymond27038140oiz0Author
    Participating Frequently
    August 6, 2026

    Thanks for the reply. I have added this under uservoice as well. (The link you provided)

    This can be reproduced on multiple sites using 26.8.1.4

    It happens on every POST.

    Adobe Employee
    __Gaurav_
    Adobe Employee
    August 7, 2026

    Hi ​@Raymond27038140oiz0 ,

    Hope you’re doing well.

    Thank you for using the Adobe Acrobat extension and for reporting this issue. We sincerely apologize for the inconvenience this regression caused, and we really appreciate the detailed information you provided, it was very helpful for our investigation.

    We recently released version 26.8.1.5 of the Acrobat Chrome extension to the Chrome Web Store, which contains a fix for this behavior. Could you please update to version 26.8.1.5 and let us know if the issue is resolved?

    To update the extension manually:

    1. Go to chrome://extensions in your Chrome browser.

    2. Toggle on Developer mode in the top-right corner.

    3. Click the Update button at the top left.

    4. Verify that the Acrobat extension shows version 26.8.1.5.

    If the issue persists after updating, please share the latest HAR logs with us so we can investigate further. Additionally, we would be happy to schedule a quick call or screen-sharing session to better understand your environment and work directly toward a resolution. Please let us know a time that works best for you.

    Thank you again for your time and patience. We look forward to hearing from you.

    Regards,
    Gaurav

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