CVE-2026-77405

RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, tlsConfigFromURI in uri.go creates tls.Config values without setting MinVersion to tls.VersionTLS12. Builds using a Go runtime whose default permits TLS 1.0 or TLS 1.1 can therefore negotiate an obsolete protocol version when connecting through an amqps URI. A network attacker able to influence TLS negotiation with such a legacy build may weaken transport protection for AMQP messages and credentials. This issue is fixed in version 1.13.0.

• CWE-326

• https://github.com/rabbitmq/amqp091-go/commit/c9fd433ecac2e557919e51acc9d809390c402c6e
• https://github.com/rabbitmq/amqp091-go/pull/355
• https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0
• https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-33mj-cw25-m34h

Published

Sep 16, 2026

Last Modified

Sep 18, 2026

Status

Received

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