CVE-2026-2751: Blind SQL Injection via unsanitized array keys in Service Dependencies deletion

Routine

HIGH 8.3UPGRADE

CVE-2026-2751 is a high-severity flaw (CVSS 8.3) affecting centreon web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Blind SQL Injection via unsanitized array keys in Service Dependencies deletion. Vulnerability in Centreon Centreon Web on Central Server on Linux (Service Dependencies modules) allows Blind SQL Injection.This issue affects Centreon Web on Central Server before 25.10.8, 24.10.20, 24.04.24.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-02-27
Last modified	2026-06-17

Publisher (CNA): Centreon · Vendor: centreon

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-27 14:16 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

centreon centreon web UPGRADE

Affected: >= 24.04.0 and < 24.04.24. · >= 24.10.0 and < 24.10.20 · >= 25.10.0 and < 25.10.8

Fixed in: 24.04.24., 24.10.20, 25.10.8

Safe to downgrade to: a release before 24.04.0

1. Check installed version

apt-cache policy centreon-web || rpm -q centreon-web || centreon-web --version

2. UPGRADE to 24.04.24. (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade centreon-web

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade centreon-web

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 24.04.0 (Debian / Ubuntu)

apt-cache madison centreon-web sudo apt install centreon-web=<VERSION_BEFORE_24.04.0> sudo apt-mark hold centreon-web

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list centreon-web sudo dnf downgrade centreon-web-<VERSION_BEFORE_24.04.0> sudo dnf versionlock add centreon-web

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.

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-2026-2751?

centreon web: upgrade to 24.04.24., 24.10.20, 25.10.8. Exact commands for each OS are on this page.

Is CVE-2026-2751 being exploited?

CVE-2026-2751 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-2026-2751 affect?

CVE-2026-2751 affects centreon web. Severity is high (CVSS 8.3). Blind SQL Injection via unsanitized array keys in Service Dependencies deletion. Vulnerability in Centreon Centreon Web on Central Server on Linux (Service Dependencies modules) allows Blind SQL Injection.This issue affects Centreon Web on

How urgent is CVE-2026-2751?

Priority 35/100. High severity

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References

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