CVE-2026-5529 | Dromara lamp-cloud up to 5.8.1 DefUserController /defUser/pageUser improper authorization (Issue 403)

VDB-355282 · CVE-2026-5529 · ISSUE 403 DROMARA LAMP-CLOUD UP TO 5.8.1 DEFUSERCONTROLLER /DEFUSER/PAGEUSER IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability was found in Dromara lamp-cloud up to 5.8.1 and classified as critical. This issue affects the function pageUser of the file /defUser/pageUser of the component DefUserController. Executing a manipulation can lead to improper authorization. This vulnerability is tracked as CVE-2026-5529. The attack can be launched remotely. Moreover, an exploit is present. The project was informed of the problem early through an issue report but has not responded yet. Detailsinfo A vulnerability was found in Dromara lamp-cloud up to 5.8.1. It has been declared as problematic. This vulnerability affects the function pageUser of the file /defUser/pageUser of the component DefUserController. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The advisory is available at github.com. This vulnerability was named CVE-2026-5529. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Cloud Software Vendor Dromara Name lamp-cloud Version 5.8.0 5.8.1 Website Product: https://github.com/dromara/lamp-cloud/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days VulDB entry created 04/04/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: 403 Status: Not defined CVE: CVE-2026-5529 (🔒) GCVE (CVE): GCVE-0-2026-5529 GCVE (VulDB): GCVE-100-355282 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 08:32 Changes: 04/04/2026 08:32 (59) Complete: 🔍 Submitter: aibot88 Cache ID: 99:9CA:101 Submitinfo Accepted Submit #782103: Dromara lamp-cloud 5.8.1 Broken object property level authorization (by github.com) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸