CVE-2026-77703
Received Received - Intake

Key Exchange Without Entity Authentication in Liman Render Engine

Publication date: 2026-09-24

Last updated on: 2026-09-24

Assigner: Computer Emergency Response Team of the Republic of Turkey

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.

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Meta Information

Published
2026-09-24
Last Modified
2026-09-24
Generated
2026-09-24
AI Q&A
2026-09-24
EPSS Evaluated
N/A
NVD
CVE-2026-77703
EUVD
EUVD-2026-85916

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
havelsan liman_render_engine From 1.0 (inc) to 1.2-75 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-322 The product performs a key exchange with an actor without verifying the identity of that actor.

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Executive Summary

This vulnerability involves a key exchange process in HAVELSAN Inc. Liman Render Engine that lacks entity authentication. This means an attacker can intercept and manipulate communications between parties without being verified, enabling an Adversary in the Middle (AiTM) attack.

Impact Analysis

An attacker could eavesdrop on or alter sensitive data exchanged between systems using the vulnerable Liman Render Engine. This may lead to unauthorized access to confidential information or disruption of services.

Compliance Impact

This vulnerability could violate data protection requirements under GDPR and HIPAA by allowing unauthorized interception or tampering of personal or health data during transmission. Organizations using the affected software may fail to meet compliance obligations.

Mitigation Strategies

Update Liman Render Engine to version 1.2-75 or later to address the key exchange without entity authentication vulnerability.

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