{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/havelsan/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-18650"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Liman MYS"],"_cs_severities":["high"],"_cs_tags":["vulnerability","privilege-escalation","havelsan"],"_cs_type":"advisory","_cs_vendors":["HAVELSAN Inc."],"content_html":"\u003cp\u003eHAVELSAN Inc. Liman MYS versions 2.2.3 through 2.3.0 contain a vulnerability (CVE-2026-18650) classified as a Missing Authorization flaw (CWE-862). This vulnerability, reported by the Computer Emergency Response Team of the Republic of Turkey, allows an authenticated user to perform actions that should be restricted to higher-privileged accounts. The flaw carries a CVSS v3.1 base score of 8.8, indicating a high risk of complete system compromise, including unauthorized access to sensitive data and system impact. Organizations using Liman MYS are advised to update to version 2.3.1 or later to remediate the authorization check deficiency.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker obtains valid low-privileged credentials for the Liman MYS instance.\u003c/li\u003e\n\u003cli\u003eAttacker interacts with the web interface of the target system.\u003c/li\u003e\n\u003cli\u003eAttacker identifies administrative endpoints or API functions that lack server-side authorization checks.\u003c/li\u003e\n\u003cli\u003eAttacker crafts requests to these endpoints, bypassing the UI-level restrictions.\u003c/li\u003e\n\u003cli\u003eThe application processes the request due to the missing authorization validation.\u003c/li\u003e\n\u003cli\u003eAttacker gains elevated permissions or executes unauthorized actions within the system context.\u003c/li\u003e\n\u003cli\u003eFinal objective: Complete administrative control of the Liman MYS management interface.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation allows an attacker to escalate privileges within the Liman MYS environment, potentially resulting in unauthorized administrative access, data exfiltration, or modification of system configurations. This vulnerability impacts all installations of Liman MYS running versions 2.2.3 to 2.3.0, representing a significant risk to organizations managing their infrastructure via this platform.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the update to Liman MYS version 2.3.1 or later immediately to patch CVE-2026-18650.\u003c/li\u003e\n\u003cli\u003eAudit access logs for unauthorized attempts to access administrative URL endpoints by low-privileged user accounts.\u003c/li\u003e\n\u003cli\u003eEnforce strict least-privilege access for all users authenticated to the Liman MYS dashboard.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-08-04T15:44:08Z","date_published":"2026-08-04T15:44:08Z","id":"https://feed.craftedsignal.io/briefs/2026-08-liman-mys-privesc/","summary":"A missing authorization vulnerability (CVE-2026-18650) in HAVELSAN Liman MYS versions 2.2.3 through 2.3.0 allows authenticated users to escalate privileges.","title":"Missing Authorization Vulnerability in HAVELSAN Liman MYS","url":"https://feed.craftedsignal.io/briefs/2026-08-liman-mys-privesc/"}],"language":"en","title":"CraftedSignal Threat Feed - Havelsan","version":"https://jsonfeed.org/version/1.1"}