CVE-2026-77707 TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine
Attackers can intercept Keycloak connections via Adversary in the Middle due to disabled TLS certificate validation in Liman Render Engine.
- 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-2026-77707?
CVE-2026-77707 is a medium-severity vulnerability in HAVELSAN Inc. Liman Render Engine, published on 24 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper certificate validation vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM).
This issue affects Liman Render Engine: from 1.0 before 1.2-75.
Weakness: CWE-295
Which versions are affected by CVE-2026-77707?
How do I fix CVE-2026-77707?
No fix has been published for CVE-2026-77707 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77707 being exploited?
There is no known exploitation of CVE-2026-77707 in the wild and no public exploit code.
Sources
Also known as GHSA-5r56-296v-6jj6.