Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1

• azl3 rabbitmq-server 3.13.7-3 on Azure Linux 3.0

• azl3 rabbitmq-server 3.13.7-5 on Azure Linux 3.0

• azl3 rabbitmq-server 3.13.7-6 on Azure Linux 3.0

• azl3 rabbitmq-server 3.13.7-8 on Azure Linux 3.0

• azl3 rabbitmq-server 3.13.7-9 on Azure Linux 3.0

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

1. Oct 18, 2026 at 12:25 PM UTC
   • Added fixed versions: 3.13.7-10.

1. May 15, 2026 at 1:02 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 27, 2026 at 11:11 PM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Oct 18, 2026 at 1:47 AM UTC
   Updated by Microsoft Security Response Center

   The vendor changed the advisory after it was first published.

4. Nov 7, 2026 at 7:05 AM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.