CVE-2026-11348— Authentication Bypass in HAVELSAN's Open Source Project Liman MYS
Quick assessment
Affected
HAVELSAN Inc. Liman MYS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Havelsan Liman MYS是土耳其Havelsan公司开源的一个IT基础设施集中管理与监控平台。 Havelsan Liman MYS release.Master.1107之前版本存在加密问题漏洞，该漏洞源于加密签名验证不当，允许伪造数据源。
Possible ATT&CK Techniques 1 AI
T1565.003 · Runtime Data ManipulationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| HAVELSAN Inc. | Liman MYS | < release.master.1107 |
affected |
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I. Basic Information for CVE-2026-11348
Vulnerability Information
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Vulnerability Title
Authentication Bypass in HAVELSAN's Open Source Project Liman MYS
Source: CVE Program / CVE List V5
Vulnerability Description
Improper verification of cryptographic signature vulnerability in HAVELSAN Inc. Liman MYS allows Fake the Source of Data.
This issue affects Liman MYS: before release.Master.1107.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Havelsan Liman MYS 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Havelsan Liman MYS是土耳其Havelsan公司开源的一个IT基础设施集中管理与监控平台。 Havelsan Liman MYS release.Master.1107之前版本存在加密问题漏洞，该漏洞源于加密签名验证不当，允许伪造数据源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| HAVELSAN Inc. | Liman MYS | 0 ~ release.master.1107 | - |
|
II. Public POCs for CVE-2026-11348
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-11348 (1)
-
🔗 T.C. Siber Güvenlik Başkanlığı - Güvenlik Bildirimleri Detay government-resource
Same Patch Batch · HAVELSAN Inc. · 2026-07-07 · 3 CVEs total
| CVE-2026-13696 | 8.8 HIGH | LDAP Injection in HAVELSAN's Liman MYS |
| CVE-2026-11340 | 8.3 HIGH | Authorization Bypass in HAVELSAN's Open Source Project Liman MYS |
IV. Related Vulnerabilities
Same product: Liman MYS
-
CVE-2026-19532
Path Traversal in HAVELSAN's Liman MYS -
CVE-2026-18650
Missing Authorization Leading to Root Code Execution in HAVE -
CVE-2026-17070
Vault Credential Confusion via Authorization Bypass in HAVEL -
CVE-2026-13696
LDAP Injection in HAVELSAN's Liman MYS -
CVE-2026-11340
Authorization Bypass in HAVELSAN's Open Source Project Liman
Same vendor: HAVELSAN Inc.
-
CVE-2026-77707
TLS Certificate Validation Disabled for Keycloak Connections -
CVE-2026-77703
SSH Host Key Verification Bypass in HAVELSAN's Liman Render -
CVE-2026-19532
Path Traversal in HAVELSAN's Liman MYS -
CVE-2026-18650
Missing Authorization Leading to Root Code Execution in HAVE -
CVE-2026-17070
Vault Credential Confusion via Authorization Bypass in HAVEL
Same weakness: CWE-347
-
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Improper verification of cryptographic signature in Anjvisio -
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PyJWT BOM Bypass
V. Comments for CVE-2026-11348
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