CVE-2026-1759 Overview
CVE-2026-1759 is a privilege escalation vulnerability in Secomea GateManager. The flaw stems from improper handling of insufficient permissions or privileges [CWE-280]. An authenticated attacker with low privileges can escalate access over the network without user interaction.
The vulnerability affects GateManager versions 11.5;0 and 11.4.625515072:0. Secomea addressed the issue in version 11.6 and 11.4.626194074 and above.
Critical Impact
Authenticated remote attackers can escalate privileges within Secomea GateManager, gaining unauthorized access to confidential resources managed by the platform used for industrial remote access.
Affected Products
- Secomea GateManager version 11.5;0
- Secomea GateManager version 11.4.625515072:0
- Fixed in GateManager 11.6 and 11.4.626194074 and above
Discovery Timeline
- 2026-09-15 - CVE-2026-1759 published to the National Vulnerability Database
- 2026-09-15 - Last updated in NVD database
Technical Details for CVE-2026-1759
Vulnerability Analysis
GateManager is Secomea's central server for managing secure remote access to industrial equipment. The product mediates connections between technicians, LinkManager clients, and SiteManager gateways deployed at customer sites.
The defect resides in how GateManager enforces permission checks when an authenticated user requests actions bound to a higher privilege level. Because the product improperly handles insufficient privileges, an attacker with valid low-privileged credentials can perform operations reserved for higher-privileged roles.
Successful exploitation leads to disclosure of confidential information handled by GateManager. Integrity and availability of the platform are not affected, according to the scoring vector.
Root Cause
The root cause is classified under [CWE-280]: Improper Handling of Insufficient Permissions or Privileges. GateManager fails to properly reject requests when the acting principal lacks the necessary privileges for the requested operation. The authorization logic accepts these requests instead of denying them, allowing the actor to operate outside the intended permission boundary.
Attack Vector
Exploitation requires network access to the GateManager interface and valid low-privileged credentials. No user interaction is needed, and attack complexity is low. An attacker uses existing account access to invoke functionality or view resources restricted to higher privilege tiers within the same security scope.
No verified public exploit or proof-of-concept code is currently available for CVE-2026-1759. Refer to the Secomea Cybersecurity Advisory for vendor-supplied technical details.
Detection Methods for CVE-2026-1759
Indicators of Compromise
- Authenticated GateManager sessions performing administrative or privileged actions from accounts normally scoped to end-user or technician roles.
- Unexpected access to device inventories, customer accounts, or audit resources by low-privileged users.
- Configuration or access-policy changes not tied to authorized administrator sessions.
Detection Strategies
- Audit GateManager role assignments and compare recent privileged operations against the invoking account's assigned role.
- Review GateManager audit logs for API or UI requests that returned success for actions inconsistent with the caller's role.
- Correlate authentication events with subsequent privileged operations to identify accounts exercising capabilities beyond their scope.
Monitoring Recommendations
- Forward GateManager audit and access logs to a centralized SIEM for retention and correlation with identity telemetry.
- Alert on first-time use of administrative endpoints by accounts previously limited to standard operations.
- Track sessions that access data across multiple customer domains or organizational boundaries within GateManager.
How to Mitigate CVE-2026-1759
Immediate Actions Required
- Upgrade Secomea GateManager to version 11.6 or to 11.4.626194074 or later as documented by Secomea.
- Inventory all GateManager instances, including self-hosted deployments, and confirm the running version before scheduling remediation.
- Rotate credentials for accounts that had access to affected GateManager instances and review recent privileged actions.
Patch Information
Secomea released fixed builds in GateManager version 11.6 and in the 11.4 maintenance line at build 11.4.626194074 and later. Consult the Secomea Cybersecurity Advisory for release notes, upgrade instructions, and any prerequisite versions.
Workarounds
- Restrict network access to the GateManager administrative interface to trusted management networks and jump hosts.
- Enforce least-privilege role assignments and remove unused accounts pending patch deployment.
- Require multi-factor authentication for all GateManager accounts to raise the cost of credential compromise.
- Increase logging verbosity and monitor authorization decisions until the patched build is in place.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
