CVE-2026-15375: Eleveo Call Recording Software 9.7.0 Authorization Bypass

Technical summary

CVE-2026-15375 is an improper authorization vulnerability (CWE-266, CWE-285) residing in the /callrec/users_ldap.jsp endpoint within Eleveo Call Recording Software 9.7.0's LDAP user interface component. The flaw permits authenticated users to bypass authorization controls and gain unauthorized access to sensitive information. The CVSS v3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) indicates network accessibility, low attack complexity, requirement for valid user credentials, and confidentiality impact limited to the user's session scope.

Business impact

Organizations relying on Eleveo Call Recording Software may face data exposure risks if internal users with basic call recording system access exploit this flaw to view call records, user lists, or LDAP directory information beyond their assigned role. This could violate compliance requirements (HIPAA, PCI-DSS, SOX) if sensitive communications or customer data are exposed. The lack of integrity or availability impact limits the immediate operational risk, but unauthorized information disclosure can lead to privacy breaches, regulatory fines, and reputational damage.

Affected systems

Eleveo Call Recording Software version 9.7.0 is confirmed vulnerable. Organizations using this version should assume risk until patching is available. Earlier and later versions should be evaluated against vendor advisories to confirm scope. The vulnerability requires the attacker to already possess valid system credentials, limiting the exposure surface to insider threats or compromised internal accounts.

Exploitability

This vulnerability has been publicly disclosed and exploitation details are available, raising the practical risk of use by both skilled attackers and less sophisticated threat actors. Exploitation requires valid login credentials—an authenticated user can trigger the authorization bypass without user interaction via a network request. The low attack complexity and absence of special conditions make it straightforward to exploit once access is gained. However, the need for pre-existing credentials creates a necessary prerequisite that somewhat constrains immediate risk.

Remediation

Contact Eleveo immediately to obtain a patched version addressing CVE-2026-15375. Verify the fix in vendor advisories or security notices before deployment. If no patch timeline is announced, consider implementing network segmentation to restrict LDAP interface access to administrative users only, and enforce strict role-based access control (RBAC) within the application. Review LDAP user permissions and audit access logs for unauthorized queries. Until patching, monitor authentication and authorization events in the call recording system for anomalies.

Patch guidance

Verify with Eleveo's official advisory for availability and version numbers of patched releases. Deploy patches in a test environment first to validate compatibility with your call recording workflows. Eleveo's silence on this disclosure (as noted in the vulnerability record) suggests engaging support directly may be necessary to obtain patch status and timelines. Schedule patching according to your change management process, prioritizing production systems handling sensitive communications.

Detection guidance

Monitor access logs for /callrec/users_ldap.jsp for requests from unexpected user accounts or roles. Audit LDAP query patterns and lookups for signs of enumeration or data exfiltration. Set alerts on failed and successful authentication attempts to the LDAP interface, especially from non-administrative accounts. Review user session logs for privilege escalation or lateral movement following login. Log analysis tools and SIEM platforms should correlate repeated requests to the vulnerable endpoint with user activity baselines.

Why prioritize this

Although the CVSS score is medium (4.3), the public availability of exploit details, confirmed vendor unresponsiveness, and the specific risk of insider information disclosure warrant prompt attention. Organizations handling regulated communications data should treat this as higher priority due to compliance exposure. The requirement for valid credentials reduces immediate external threat, but insider risk and compromised account scenarios elevate priority in security-sensitive environments.

Risk score, explained

The CVSS v3.1 score of 4.3 (Medium) reflects limited confidentiality impact, no integrity or availability impact, and a requirement for authenticated access. The score appropriately weights the barrier of needing valid credentials against the ease of exploitation once those credentials are obtained. The publicly disclosed status and vendor silence increase practical risk beyond the base score, warranting contextual risk elevation based on your threat model and data sensitivity.

Frequently asked questions