CVE-2026-50774 Overview
CVE-2026-50774 is a privilege escalation vulnerability in GAPTEQ Designer v3.5. A remote attacker can abuse the Company Manager role to escalate privileges beyond its intended scope. The flaw is classified under CWE-269: Improper Privilege Management and is reachable over the network without authentication or user interaction.
Critical Impact
Remote attackers can gain elevated privileges within GAPTEQ Designer, compromising the confidentiality, integrity, and availability of application data and administrative functions.
Affected Products
- GAPTEQ Designer v3.5
- Deployments exposing the Company Manager role to untrusted users
- Related GAPTEQ product editions sharing the same role-management code path
Discovery Timeline
- 2026-08-17 - CVE-2026-50774 published to NVD
- 2026-08-18 - Last updated in NVD database
Technical Details for CVE-2026-50774
Vulnerability Analysis
GAPTEQ Designer implements a role-based access control model in which the Company Manager role is intended to perform tenant-scoped administrative functions. The vulnerability allows a user assigned this role, or an unauthenticated attacker reaching the same endpoints, to perform actions reserved for higher-privileged accounts.
Successful exploitation grants the attacker administrative capabilities within the affected instance. This includes access to sensitive tenant data, modification of application configuration, and disruption of service availability. Additional technical details are published in the GitHub CVE repository for CVE-2026-50774.
Root Cause
The root cause is improper privilege management [CWE-269]. Server-side authorization checks do not correctly enforce the boundary between the Company Manager role and higher-privileged roles. Privilege decisions rely on client-supplied context rather than server-enforced role evaluation.
Attack Vector
The attack vector is network-based and requires no user interaction. An attacker interacts with the GAPTEQ Designer interface or its underlying API, invoking operations that should be limited to administrators. Because the vulnerability affects an authorization control rather than input handling, exploitation does not require crafted payloads. Refer to the public CVE-2026-50774 write-up for reproduction details.
Detection Methods for CVE-2026-50774
Indicators of Compromise
- Accounts assigned the Company Manager role performing actions outside their tenant scope
- Unexpected creation, modification, or deletion of administrative users and roles
- Configuration changes to GAPTEQ Designer objects without a corresponding administrator session
- HTTP requests to privileged endpoints originating from sessions authenticated as Company Manager
Detection Strategies
- Review GAPTEQ Designer audit logs for privileged operations correlated with non-administrator sessions
- Compare role assignments against a known-good baseline and flag additions of administrative rights
- Alert on any API call that alters global configuration when the caller's role is Company Manager
Monitoring Recommendations
- Forward GAPTEQ Designer application and access logs to a centralized SIEM for continuous review
- Monitor authentication and authorization events for privilege changes and role escalations
- Track outbound requests from the GAPTEQ Designer host to identify post-exploitation activity
How to Mitigate CVE-2026-50774
Immediate Actions Required
- Restrict network exposure of GAPTEQ Designer to trusted management networks only
- Audit all accounts currently assigned the Company Manager role and remove unnecessary assignments
- Rotate credentials and session tokens for any account that may have exercised elevated actions
- Contact GAPTEQ support to confirm the availability of a fixed release for v3.5
Patch Information
No vendor patch reference is listed in the NVD entry for CVE-2026-50774 at the time of publication. Administrators should consult the GAPTEQ official website for advisory updates and upgrade guidance beyond version 3.5.
Workarounds
- Place GAPTEQ Designer behind a reverse proxy or VPN that enforces strong authentication before reaching the application
- Temporarily remove or reduce the Company Manager role assignment until a fixed version is deployed
- Enable and review audit logging for every privileged operation to identify misuse quickly
# Example: restrict access to GAPTEQ Designer at the network edge
# Allow only the management subnet to reach the application port
iptables -A INPUT -p tcp --dport 443 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
