TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine (CVE-2026-77707) | HOL Guard CVE

Medium · CVSS 5.9CVE-2026-77707

TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine

Answer in brief

CVE-2026-77707 records a Medium severity (CVSS 5.9) vulnerability in TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine. The current sources do not mark it as known exploited. The current feed maps HAVELSAN Inc./Liman Render Engine (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 24, 2026Updated Sep 24, 2026Source checked Sep 24, 2026First seen by HOL Sep 24, 2026Material review Sep 24, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.9
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 5.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps HAVELSAN Inc./Liman Render Engine (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
HAVELSAN Inc./Liman Render Enginegeneric	>=1.0 <1.2-75	1.2-75

Recommended response

Check inventory. Check lockfiles and deployed manifests for HAVELSAN Inc./Liman Render Engine.
Review the reported fix. Update HAVELSAN Inc./Liman Render Engine to 1.2-75 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 24, 2026

Sources and claim methodology

Source referencesiberguvenlik.gov.tr

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.