CVE-2026-28515: openDCIM version 23.04, through commit 4467e9c4, contains a missing authorization vulnerability in install.php

This month

HIGH 8.8DOWNGRADE

CVE-2026-28515 is a high-severity flaw (CVSS 8.8) affecting opendcim. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-02-27
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: opendcim

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-27 23:16 UTCPublished CVE record published
2026-07-14 19:16 UTCUpdated Record last modified

opendcim opendcim DOWNGRADE

Affected: 23.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 23.04

1. Check installed version

apt-cache policy opendcim || rpm -q opendcim || opendcim --version

2. No fixed release: DOWNGRADE to a release before 23.04 (Debian / Ubuntu)

apt-cache madison opendcim sudo apt install opendcim=<VERSION_BEFORE_23.04> sudo apt-mark hold opendcim

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list opendcim sudo dnf downgrade opendcim-<VERSION_BEFORE_23.04> sudo dnf versionlock add opendcim

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: openDCIM install.php SQL Injection to RCE

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-28515?

opendcim: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-28515 being exploited?

CVE-2026-28515 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-28515 affect?

CVE-2026-28515 affects opendcim. Severity is high (CVSS 8.8). 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 applicatio

How urgent is CVE-2026-28515?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-28517 CRITICAL 9.8 DOWNGRADE openDCIM version 23.04, through commit 4467e9c4, contains an OS command injection vulnerability in report_netw
CVE-2026-28516 HIGH 8.8 DOWNGRADE openDCIM version 23.04, through commit 4467e9c4, contains a SQL injection vulnerability in Config::UpdateParam

References

← Back to latest CVEs