View online: https://www.drupal.org/sa-contrib-2026-168 Project: Webform [1] Project machine name: webform Date: 2026-September-23 Security risk: *Moderately critical* 11 ∕ 25 AC:Complex/A:Admin/CI:Some/II:Some/E:Theoretical/TD:Default [2] Vulnerability: Access bypass Affected versions: <6.2.12 || >=6.3.0 <6.3.1 CVE IDs: CVE-2026-96373 Description: The Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data. The module does not sufficiently validate requested filenames when serving generated submission exports. Under certain configurations, a user with permission to view submission results for one webform may be able to access or remove files from the configured export temporary directory that were not generated for that webform. This vulnerability is mitigated by the fact that an attacker must have access to view submission results for a webform and must know or be able to determine a target filename. Solution: Install the latest version: * If you use the 6.2.x branch of Webform upgrade to Webform 6.2.12 [3]. * If you use the 6.3.x branch of Webform, upgrade to Webform 6.3.1 [4]. Reported By: * Marcus Johansson (marcus_johansson) [5] Fixed By: * Jacob Rockowitz (jrockowitz) [6] Coordinated By: * Swan Kalata (akalata) [7] of the Drupal Security Team * Bram Driesen (bramdriesen) [8] of the Drupal Security Team * Greg Knaddison (greggles) [9] of the Drupal Security Team * Pierre Rudloff (prudloff) [10] of the Drupal Security Team * Jess (xjm) [11] of the Drupal Security Team ------------------------------------------------------------------------------ Contribution record [12] [1] https://www.drupal.org/project/webform [2] https://www.drupal.org/security-team/risk-levels [3] https://www.drupal.org/project/webform/releases/6.2.12 [4] https://www.drupal.org/project/webform/releases/6.3.1 [5] https://www.drupal.org/u/marcus_johansson [6] https://www.drupal.org/u/jrockowitz [7] https://www.drupal.org/u/akalata [8] https://www.drupal.org/u/bramdriesen [9] https://www.drupal.org/u/greggles [10] https://www.drupal.org/u/prudloff [11] https://www.drupal.org/u/xjm [12] https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal....