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CVE-2026-77703

SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine

MEDIUM
5.9
CVSS Score
Published: September 24, 2026 at 02:38 PM UTC
Updated: September 24, 2026 at 07:47 PM UTC
1 product affected across 1 vendorLiman Render Engine

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Liman Render Engine· Havelsan
60%
1.0 ≤ v < 1.2-751.0
Affected range stops below 1.2-75, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

US Government Resource
Source: cverecord
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1172

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMTR-CERT
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-322

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