openDCIM up to 23.04 LDAP Configuration REMOTE_USER authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in openDCIM up to 23.04. This impacts an unknown function of the component LDAP Configuration Handler. Such manipulation of the argument REMOTE_USER leads to authorization. This vulnerability is documented as CVE-2026-28515. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in openDCIM up to 23.04. It has been rated as critical. Affected by this issue is an unknown function of the component LDAP Configuration Handler. The manipulation of the argument REMOTE_USER with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

openDCIM version 23.04, through commit 4467e9c4, contains a missing authorization vulnerability in install.php and container-install.php. The installer and upgrade handler expose LDAP configuration functionality without enforcing application role checks. Any authenticated user can access this functionality regardless of assigned privileges. In deployments where REMOTE_USER is set without authentication enforcement, the endpoint may be accessible without credentials. This allows unauthorized modification of application configuration.

The weakness was released by Valentin Lobstein. The advisory is shared for download at chocapikk.com. This vulnerability is handled as CVE-2026-28515 since 02/27/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9096). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Patch: github.com

Timelineinfo

02/27/2026 CVE reserved
02/28/2026 +1 days Advisory disclosed
02/28/2026 +0 days VulDB entry created
03/10/2026 +10 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: chocapikk.com
Researcher: Valentin Lobstein
Status: Confirmed

CVE: CVE-2026-28515 (🔒)
GCVE (CVE): GCVE-0-2026-28515
GCVE (VulDB): GCVE-100-348236
EUVD: 🔒

Entryinfo

Created: 02/28/2026 02:51
Updated: 03/10/2026 16:52
Changes: 02/28/2026 02:51 (67), 02/28/2026 06:01 (1), 03/03/2026 22:45 (1), 03/10/2026 16:52 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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