CVE-2026-105216 go-micro before 6.0.0 Disabled TLS Certificate Verification via tls.Config Helper
Network attackers can intercept or modify service traffic and steal credentials due to disabled TLS certificate verification in the go-micro library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105216?
CVE-2026-105216 is a critical vulnerability in go-micro, published on 4 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
go-micro before 6.0.0 contains an improper certificate validation vulnerability that allows network attackers to impersonate services because the shared TLS helper sets InsecureSkipVerify to true by default. Man-in-the-middle attackers can present any certificate to intercept or modify gRPC transport, HTTP and RabbitMQ broker, and Consul or etcd registry traffic, including authentication tokens and credentials.
Weakness: CWE-295
Which versions are affected by CVE-2026-105216?
How do I fix CVE-2026-105216?
No fix has been published for CVE-2026-105216 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-105216 being exploited?
There is no known exploitation of CVE-2026-105216 in the wild and no public exploit code.
Sources
Also known as GHSA-p6q5-cmw8-pqqg.