CVE-2026-40305 | dnnsoftware Dnn.Platform up to 10.2.1 improper authorization

VDB-358116 · CVE-2026-40305 · GCVE-0-2026-40305 DNNSOFTWARE DNN.PLATFORM UP TO 10.2.1 IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 2.09+ Summaryinfo A vulnerability labeled as critical has been found in dnnsoftware Dnn.Platform up to 10.2.1. Affected by this vulnerability is an unknown functionality. The manipulation results in improper authorization. This vulnerability is identified as CVE-2026-40305. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded. Detailsinfo A vulnerability was found in dnnsoftware Dnn.Platform up to 10.2.1. It has been classified as critical. Affected is an unknown part. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a friend request on another user. Version 10.2.2 patches the issue. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-40305 since 04/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002. Upgrading to version 10.2.2 eliminates this vulnerability. Productinfo Vendor dnnsoftware Name Dnn.Platform Version 10.2.0 10.2.1 Website Product: https://github.com/dnnsoftware/Dnn.Platform/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.2 VulDB Base Score: 6.3 VulDB Temp Score: 6.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 4.3 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: Dnn.Platform 10.2.2 Timelineinfo 04/10/2026 CVE reserved 04/17/2026 +7 days Advisory disclosed 04/17/2026 +0 days VulDB entry created 04/17/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-40305 (🔒) GCVE (CVE): GCVE-0-2026-40305 GCVE (VulDB): GCVE-100-358116 Entryinfo Created: 04/17/2026 23:47 Changes: 04/17/2026 23:47 (63) Complete: 🔍 Cache ID: 99:31F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸