Vulnerability · Published Sep 24, 2026 · Assigned by TR-CERT
CVE-2026-77707TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine
Medium 5.9
In plain English
A medium-severity improper certificate validation in Liman Render Engine from HAVELSAN Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.1%top 97.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HAVELSAN Inc. | Liman Render Engine | 1.0 – before 1.2-75 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1172 government-resource