CVE-2026-43969: Cookie Request Header Injection via Unvalidated Encoder in cow_cookie:cookie/1

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-15

Last Updated

2026-06-28

EPSS Score

0.14% (percentile: 4.2%)

Affected Products (3)

Open Source Software

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

Other

• 21394-17084
• 21487-17084

Revision History

• 2026-05-15: Information published.
• 2026-06-03: Information published.
• 2026-06-28: Information published.