CVE-2026-39942 | Directus up to 11.16.x /files/ filename_disk access control (GHSA-393c-p46r-7c95)

VDB-356637 · CVE-2026-39942 · GHSA-393C-P46R-7C95 DIRECTUS UP TO 11.16.X /FILES/ FILENAME_DISK ACCESS CONTROL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.2 $0-$5k 0.93+ Summaryinfo A vulnerability, which was classified as critical, has been found in Directus up to 11.16.x. The affected element is an unknown function of the file /files/. Performing a manipulation of the argument filename_disk results in access control. This vulnerability is reported as CVE-2026-39942. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component. Detailsinfo A vulnerability, which was classified as critical, was found in Directus up to 11.16.x. This affects an unknown functionality of the file /files/. The manipulation of the argument filename_disk with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is: Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, the PATCH /files/{id} endpoint accepts a user-controlled filename_disk parameter. By setting this value to match the storage path of another user's file, an attacker can overwrite that file's content while manipulating metadata fields such as uploaded_by to obscure the tampering. This vulnerability is fixed in 11.17.0. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-39942 since 04/08/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue. Upgrading to version 11.17.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Name Directus Version 11.0 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 11.10 11.11 11.12 11.13 11.14 11.15 11.16 Website Product: https://github.com/directus/directus/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.4 VulDB Meta Temp Score: 7.2 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.5 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Access control CWE: CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Directus 11.17.0 Timelineinfo 04/08/2026 CVE reserved 04/09/2026 +1 days Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-393c-p46r-7c95 Status: Confirmed CVE: CVE-2026-39942 (🔒) GCVE (CVE): GCVE-0-2026-39942 GCVE (VulDB): GCVE-100-356637 Entryinfo Created: 04/09/2026 19:53 Changes: 04/09/2026 19:53 (66) Complete: 🔍 Cache ID: 99:2FE:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸