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CVE-2026-77405— RabbitMQ amqp091-go: Missing Explicit TLS Minimum Version Configuration In URI Parser

Quick assessment

Affected
rabbitmq amqp091-go
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RabbitMQ 的 是一个 Go 语言的 AMQP 0.9.1 客户端。在 1.13.0 版本之前， 中的 函数在创建 时未将 设置为 。因此，使用允许 TLS 1.0 或 TLS 1.1 的 Go 运行时构建的二进制文件，在通过 URI 建立连接时，可能会协商使用已废弃的协议版本。能够影响此类旧版构建中 TLS 协商过程的在网络上的攻击者，可能会削弱对 AMQP 消息和凭据的传输层保护。该问题已在 1.13.0 版本中修复。

CVSS 9.4 · Critical

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
rabbitmq amqp091-go < 1.13.0 affected
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I. Basic Information for CVE-2026-77405

Vulnerability Information
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Vulnerability Title
RabbitMQ amqp091-go: Missing Explicit TLS Minimum Version Configuration In URI Parser
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
rabbitmq amqp091-go < 1.13.0 -

II. Public POCs for CVE-2026-77405

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III. Intelligence Information for CVE-2026-77405

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Patches & Fixes for CVE-2026-77405 (2)

Vendor Advisories for CVE-2026-77405 (1)

Vendor Pages for CVE-2026-77405 (1)

Same Patch Batch · rabbitmq · 2026-09-16 · 11 CVEs total

CVE-2026-77411 9.5 CRITICAL RabbitMQ amqp091-go: Protocol Desynchronization and Frame Injection via Integer Overflow i
CVE-2026-77408 9.1 CRITICAL RabbitMQ amqp091-go: Silent Data Truncation and State Corruption via Shortstr Integer Over
CVE-2026-77403 8.9 HIGH RabbitMQ amqp091-go: Denial of Service via Sub-Spec Frame Size Negotiation
CVE-2026-77410 8.9 HIGH RabbitMQ amqp091-go: Resource Exhaustion (OOM) via Unbounded Body Buffer Allocation
CVE-2026-77412 8.9 HIGH RabbitMQ amqp091-go: Denial of Service via Malicious Field Length in AMQP Client
CVE-2026-77404 8.7 HIGH RabbitMQ amqp091-go: Connection Configuration Overwrite via Unsanitized TLS Path Parameter
CVE-2026-75516 8.7 HIGH RabbitMQ Java client: Frame-level OOM: Math.min(maxInboundMessageBodySize, 0) defeats fram
CVE-2026-77409 8.2 HIGH RabbitMQ amqp091-go: Denial of Service via Synchronous Event Channel Blocking
CVE-2026-77406 8.2 HIGH RabbitMQ amqp091-go: Consumer Message Flooding via Signed-to-Unsigned Integer Casting in Q
CVE-2026-77407 7.0 HIGH RabbitMQ amqp091-go: Plaintext Credential Exposure via Exported PLAIN Authentication Struc

IV. Related Vulnerabilities

Same product: amqp091-go
Same vendor: rabbitmq
Same weakness: CWE-326

V. Comments for CVE-2026-77405

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