External risk intelligence

Open ISES Tickets: Mobile Login TLS Verification Weakness.

CVE advisorySeverity: HIGH (CVSS 8.2)

CVE-2026-48249

A vulnerability in Open ISES Tickets may allow an attacker to intercept sensitive data during mobile login. This could expose API keys or session information. The business risk involves potential unauthorized access and data manipulation.

3Halo Surface Signal

External exposure likelihood

Halo Surface Signal score for CVE-2026-48249

The vulnerability involves disabled TLS verification in outbound server requests during the mobile login flow. While the attack vector is network-based, exploitation requires an adversary to be positioned on the specific network path between the server and the endpoint, making it a viable but context-dependent attack surface.

Horizon Alert

Summary of the vulnerability and why it matters

Open ISES Tickets has a vulnerability in its mobile login process that could expose sensitive information. The flaw involves the system not properly verifying the identity of remote servers during secure connections. This could allow an attacker on the network path to intercept or alter data transmitted during the mobile login.

  • Vulnerable mobile login feature
  • Disabled TLS certificate verification
  • Potential data interception or modification

Attack Path

How an attacker could exploit the issue

This vulnerability occurs when a system component fails to properly verify the authenticity of a TLS certificate during an outgoing HTTPS request. An attacker positioned on the network path can exploit this by presenting a forged certificate. This allows the attacker to intercept, monitor, or alter the data transmitted between the server and the endpoint, potentially including sensitive information.

  • Network path exposure required.
  • Attacker presents forged certificate.
  • Intercepts or modifies data in transit.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows an attacker to intercept or modify sensitive data during the mobile login process. By presenting a forged certificate, an attacker positioned between the server and the login endpoint could gain access to API keys or session information. This could lead to unauthorized access or data manipulation within the affected system.

  • Likely attacker skill level: Moderate.
  • Required access or conditions: Network access.
  • Business risk or urgency: Moderate.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability involves Open ISES Tickets disabling TLS certificate verification during mobile login, potentially allowing attackers to intercept sensitive data. Organizations should prioritize identifying all systems using this software, then take steps to limit exposure, such as network segmentation, before applying the vendor's fix. After applying the update, thorough validation is crucial, followed by ongoing monitoring for any related security events.

  • Find affected systems.
  • Limit network exposure.
  • Fix, verify, and monitor.

Frequently asked questions

What is Open ISES Tickets and what is it used for?

Open ISES Tickets is a software used for managing various ticketing and business processes, particularly within the mobile login flow, often referred to as RouteMate. It facilitates secure communication for these operations.

How does CVE-2026-48249 weaken security?

This vulnerability, a CWE-295 Improper Validation of Certificate with Maliciously Sampled Certificate, occurs because Open ISES Tickets incorrectly disables TLS certificate verification during its mobile login process. This allows an attacker to present a fake certificate, potentially enabling them to intercept or alter data.

What conditions are needed to exploit this vulnerability?

An attacker must be positioned on the network path between the Open ISES Tickets server and the remote endpoint it is communicating with. This network positioning is crucial for the attacker to present a forged certificate and intercept or modify the data exchange.

Who should be concerned about this threat based on its Halo Surface Signal?

Organizations running Open ISES Tickets should be concerned because the Halo Surface Signal indicates this vulnerability is classified as 'external.' This means it could be exploited by attackers over a network, suggesting a potential exposure for internet-facing systems involved in the mobile login flow.

What are the first steps to address this vulnerability?

To address this, first identify all systems running the affected version of Open ISES Tickets. Then, consider steps to limit network exposure for these systems. Finally, apply the vendor's fix and perform thorough validation to ensure the vulnerability is remediated.

References