HAVELSAN Liman Render Engine up to 1.2-74 certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00+

Summaryinfo

A vulnerability described as problematic has been identified in HAVELSAN Liman Render Engine up to 1.2-74. This affects an unknown part. Such manipulation leads to certificate validation. This vulnerability is referenced as CVE-2026-77707. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in HAVELSAN Liman Render Engine up to 1.2-74. It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. CVE summarizes:

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.

The advisory is shared for download at siberguvenlik.gov.tr. This vulnerability is handled as CVE-2026-77707 since 08/21/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading to version 1.2-75 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (TR-CERT): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Liman Render Engine 1.2-75

Timelineinfo

08/21/2026 CVE reserved
09/24/2026 +34 days Advisory disclosed
09/24/2026 +0 days VulDB entry created
09/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Status: Confirmed

CVE: CVE-2026-77707 (🔒)
GCVE (CVE): GCVE-0-2026-77707
GCVE (VulDB): GCVE-100-409400

Entryinfo

Created: 09/24/2026 17:29
Changes: 09/24/2026 17:29 (62)
Complete: 🔍
Cache ID: 216::103

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