CVE-2026-84736 Security feature bypass in Eclipse aeriOS
Attackers can intercept sensitive data by exploiting disabled TLS validation in Eclipse aeriOS Federator, requiring configuration updates to enforce certificate verification.
- 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-2026-84736?
CVE-2026-84736 is a high-severity vulnerability in Eclipse aeriOS, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the current development version of Eclipse aeriOS, for which no official release has yet been published, the Federator component disables TLS certificate validation for outbound HTTPS connections by default. When the TLS_CERTIFICATE_VALIDATION environment variable is unset or set to false, the component configures its HTTP transport to skip TLS certificate verification.
As a result, an attacker able to intercept network communications between the Federator and external services could impersonate those services and intercept sensitive information transmitted over HTTPS, including OAuth client credentials and bearer tokens.
The issue has been addressed by enabling TLS certificate validation by default. The TLS_CERTIFICATE_VALIDATION environment variable is now set to true in the default configuration provided by the Helm chart and Docker Compose deployment.
Weakness: CWE-295
Which versions are affected by CVE-2026-84736?
How do I fix CVE-2026-84736?
No fix has been published for CVE-2026-84736 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84736 being exploited?
There is no known exploitation of CVE-2026-84736 in the wild and no public exploit code.
Sources
Also known as GHSA-hxq8-hcgp-qp7j.