CVE-2026-77703 SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine
Attackers can bypass SSH host key verification to perform man-in-the-middle attacks, intercepting or modifying data.
- 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-2026-77703?
CVE-2026-77703 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
Key exchange without entity authentication 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-322
Which versions are affected by CVE-2026-77703?
How do I fix CVE-2026-77703?
No fix has been published for CVE-2026-77703 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77703 being exploited?
There is no known exploitation of CVE-2026-77703 in the wild and no public exploit code.
Sources
Also known as GHSA-f9gv-cv7x-jrv2.