Critical severity · published Sep 16, 2026
CVE-2026-77405
RabbitMQ amqp091-go: Missing Explicit TLS Minimum Version Configuration In URI Parser
9.4
CVSS
0.3%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
amqp091-go · rabbitmq
< 1.13.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77405
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77405
github.com
https://github.com/rabbitmq/amqp091-go/commit/c9fd433ecac2e557919e51acc9d809390c402c6e
github.com
https://github.com/rabbitmq/amqp091-go/pull/355
github.com
https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0
github.com
https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-33mj-cw25-m34h
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