---
title: "github.com/rabbitmq/amqp091-go — CVE-2026-77405"
description: "A cryptographic weakness flaw affects the Go package github.com/rabbitmq/amqp091-go. Affected versions: < 1.13.0. Fixed from version 1.13.0."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-09-17-cve-2026-77405
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-09-17
dateModified: 2026-09-17
---
# github.com/rabbitmq/amqp091-go — CVE-2026-77405

A cryptographic weakness flaw affects the Go package github.com/rabbitmq/amqp091-go. Affected versions: < 1.13.0. Fixed from version 1.13.0.

## What to do

Update github.com/rabbitmq/amqp091-go to 1.13.0 or later.

| Fact | Value |
| --- | --- |
| Package | github.com/rabbitmq/amqp091-go |
| Ecosystem | Go modules |
| Class | Cryptographic weakness |
| Affected versions | < 1.13.0 |
| Fixed version | 1.13.0 |
| CVE | CVE-2026-77405 |
| GHSA | GHSA-33mj-cw25-m34h |
| Published on | September 17, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-33mj-cw25-m34h](https://github.com/advisories/GHSA-33mj-cw25-m34h) — GitHub Security Advisories
- [NVD — CVE-2026-77405](https://nvd.nist.gov/vuln/detail/CVE-2026-77405) — NVD

---

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