RabbitMQ: Plaintext username:password stored in an insecure cookie after successful POST /login

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-67236 · Microsoft / collected KEV context

cve-program · CVE-2026-67236

• https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-88vh-gx85-p36m
• https://github.com/rabbitmq/rabbitmq-server/commit/df9e7f4c0afd311a672705f020d301efad355745
• https://github.com/rabbitmq/rabbitmq-server/commit/edf1fbc7217aaf736955d2e13c9534901a2e0778
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.8
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.3.2

No related operational record is retained in the current change model.