Medium severity · published Sep 24, 2026
CVE-2026-77707
TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine
5.9
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LR
Liman Render Engine · HAVELSAN Inc.
1.0 before 1.2-75 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77707
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77707
siberguvenlik.gov.tr
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1172
More from Liman Render Engine
5.9
CVE-2026-77703
SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine