CVE-2026-39389 | ci4-cms-erp ci4ms 0.28.5.0/0.31.0.0/0.31.2.0 improper authorization (GHSA-9rxp-f27p-wv3h)

VDB-356255 · CVE-2026-39389 · GHSA-9RXP-F27P-WV3H CI4-CMS-ERP CI4MS 0.28.5.0/0.31.0.0/0.31.2.0 IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.6 $0-$5k 1.00+ Summaryinfo A vulnerability marked as critical has been reported in ci4-cms-erp ci4ms. This impacts an unknown function. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2026-39389. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in ci4-cms-erp ci4ms. It has been rated as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is: CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, This vulnerability is fixed in 0.31.4.0. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-39389 since 04/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK. Upgrading to version 0.31.4.0 eliminates this vulnerability. Productinfo Type Content Management System Vendor ci4-cms-erp Name ci4ms Version 0.28.5.0 0.31.0.0 0.31.2.0 Website Product: https://github.com/ci4-cms-erp/ci4ms/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.7 VulDB Meta Temp Score: 5.6 VulDB Base Score: 4.7 VulDB Temp Score: 4.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.7 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: Improper authorization CWE: CWE-285 / 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: ci4ms 0.31.4.0 Timelineinfo 04/07/2026 CVE reserved 04/08/2026 +1 days Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-9rxp-f27p-wv3h Status: Confirmed CVE: CVE-2026-39389 (🔒) GCVE (CVE): GCVE-0-2026-39389 GCVE (VulDB): GCVE-100-356255 Entryinfo Created: 04/08/2026 17:22 Changes: 04/08/2026 17:22 (65) Complete: 🔍 Cache ID: 99:2FB:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸