CVE-2026-11340 - Vulnerability Details - OpenCVE

Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs.

This issue affects Liman MYS: before release.Master.1107.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

HAVELSAN Inc.

Liman MYS

unaffected

Version	Status	Constraints
`0`	affected	< release.master.1107

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0504

History

Tue, 07 Jul 2026 12:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 07 Jul 2026 11:15:00 +0000

Type	Values Removed	Values Added
Description		Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Liman MYS: before release.Master.1107.
Title		Authorization Bypass in HAVELSAN's Open Source Project Liman MYS
Weaknesses		CWE-862
References		https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0504
Metrics		cvssV3_1 `{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: TR-CERT

Published: 2026-07-07T11:01:33.542Z

Updated: 2026-07-07T12:05:14.017Z

Reserved: 2026-06-05T08:19:03.687Z

Link: CVE-2026-11340

Vulnrichment

Updated: 2026-07-07T12:05:05.886Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-862

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11340", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "state": "PUBLISHED", "assignerShortName": "TR-CERT", "dateReserved": "2026-06-05T08:19:03.687Z", "datePublished": "2026-07-07T11:01:33.542Z", "dateUpdated": "2026-07-07T12:05:14.017Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-07-07T11:01:33.542Z"}, "title": "Authorization Bypass in HAVELSAN's Open Source Project Liman MYS", "datePublic": "2026-07-07T10:49:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "affected": [{"vendor": "HAVELSAN Inc.", "product": "Liman MYS", "versions": [{"status": "affected", "version": "0", "lessThan": "release.master.1107", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Liman MYS: before release.Master.1107.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs.<p>This issue affects Liman MYS: before release.Master.1107.</p>"}]}], "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0504", "tags": ["government-resource"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Ak\u0131ner KISA", "type": "finder"}], "source": {"defect": ["TR-26-0504"], "advisory": "TR-26-0504", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-07T12:04:46.256043Z", "id": "CVE-2026-11340", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-07T12:05:14.017Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-11340", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-07T12:04:46.256043Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-07T12:05:05.886Z"}}], "cna": {"title": "Authorization Bypass in HAVELSAN's Open Source Project Liman MYS", "source": {"defect": ["TR-26-0504"], "advisory": "TR-26-0504", "discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Ak\u0131ner KISA"}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "HAVELSAN Inc.", "product": "Liman MYS", "versions": [{"status": "affected", "version": "0", "lessThan": "release.master.1107", "versionType": "custom"}], "defaultStatus": "unaffected"}], "datePublic": "2026-07-07T10:49:00.000Z", "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0504", "tags": ["government-resource"]}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Liman MYS: before release.Master.1107.", "supportingMedia": [{"type": "text/html", "value": "Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Accessing Functionality Not Properly Constrained by ACLs.<p>This issue affects Liman MYS: before release.Master.1107.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-07-07T11:01:33.542Z"}}}, "cveMetadata": {"cveId": "CVE-2026-11340", "state": "PUBLISHED", "dateUpdated": "2026-07-07T12:05:14.017Z", "dateReserved": "2026-06-05T08:19:03.687Z", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "datePublished": "2026-07-07T11:01:33.542Z", "assignerShortName": "TR-CERT"}, "dataVersion": "5.2"}