CVE-2025-13080 is a vulnerability classified under CWE-754, indicating an improper check for unusual or exceptional conditions within Drupal core. This flaw allows forceful browsing, a technique where an attacker can bypass normal access controls to view restricted resources or pages by manipulating URLs or request parameters. The affected versions include Drupal core from 8.0.0 before 10.4.9, from 10.5.0 before 10.5.6, from 11.0.0 before 11.1.9, and from 11.2.0 before 11.2.8. The vulnerability does not impact confidentiality or integrity but affects availability, as indicated by the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). This means the attack can be launched remotely over the network with low attack complexity, no privileges required, and no user interaction needed. The improper condition check likely allows attackers to access pages or resources that should be restricted, potentially leading to denial of service or resource exhaustion scenarios. Although no exploits are currently known in the wild, the vulnerability's presence in widely used Drupal core versions makes it a significant concern. The lack of patch links in the provided data suggests organizations must monitor official Drupal advisories for updates and apply patches promptly once available.

For European organizations, the impact of CVE-2025-13080 can be significant, particularly for those relying on Drupal core for public-facing websites, government portals, or critical infrastructure services. Forceful browsing could allow attackers to access restricted content or functionality, potentially disrupting service availability or exposing sensitive operational endpoints. While confidentiality and integrity are not directly affected, availability degradation could lead to service outages or degraded user experience, impacting business continuity and public trust. Organizations in sectors such as government, healthcare, finance, and media that use Drupal extensively may face operational risks and reputational damage if exploited. Additionally, attackers could leverage this vulnerability as a foothold for further attacks or reconnaissance. The medium severity rating suggests that while the threat is not critical, it requires timely attention to prevent exploitation, especially given the ease of remote exploitation without authentication.

European organizations should prioritize upgrading Drupal core to the fixed versions: 10.4.9 or later for the 10.x branch, 10.5.6 or later for the 10.5.x branch, 11.1.9 or later for the 11.0.x branch, and 11.2.8 or later for the 11.2.x branch. Until patches are applied, organizations should implement strict access controls and monitor web server logs for unusual URL access patterns indicative of forceful browsing attempts. Employing web application firewalls (WAFs) with custom rules to detect and block suspicious URL manipulation can provide interim protection. Regularly auditing Drupal configurations to ensure no unintended access permissions exist is critical. Organizations should also conduct penetration testing focused on access control bypass scenarios to identify potential exposure. Maintaining up-to-date backups and incident response plans will help mitigate impact if exploitation occurs. Finally, subscribing to Drupal security advisories and threat intelligence feeds will ensure timely awareness of patches and emerging exploits.