CVE-2026-2750: Improper Input Validation vulnerability in Centreon Centreon Open Tickets on Central Server on Linux (Centreon

This month

CRITICAL 9.1WATCHLISTUPGRADE

CVE-2026-2750 is a critical-severity flaw (CVSS 9.1) affecting web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation vulnerability in Centreon Centreon Open Tickets on Central Server on Linux (Centreon Open Tickets modules).This issue affects Centreon Open Tickets on Central Server: from all before 25.10; 24.10;24.04.

Why this priority

Critical severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-20
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 16:16 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

centreon web UPGRADE

Affected: < 24.04.24 · >= 24.10.0 and < 24.10.20 · >= 25.01.0 and < 25.10.8

Fixed in: 24.04.24, 24.10.20, 25.10.8

Safe to downgrade to: a release before 24.10.0

1. Check installed version

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

2. UPGRADE to 24.04.24 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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 24.10.0 (Debian / Ubuntu)

apt-cache madison web sudo apt install web=<VERSION_BEFORE_24.10.0> sudo apt-mark hold web

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

dnf --showduplicates list web sudo dnf downgrade web-<VERSION_BEFORE_24.10.0> sudo dnf versionlock add 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-2026-2750?

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

Is CVE-2026-2750 being exploited?

CVE-2026-2750 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-2026-2750 affect?

CVE-2026-2750 affects web. Severity is critical (CVSS 9.1). Improper Input Validation vulnerability in Centreon Centreon Open Tickets on Central Server on Linux (Centreon Open Tickets modules).This issue affects Centreon Open Tickets on Central Server: from all before 25.10; 24.10;24.04.

How urgent is CVE-2026-2750?

Priority 44/100. Critical severity; On your watchlist

Related CVEs

CVE-2025-8220 HIGH 7.3 UPGRADE A vulnerability has been found in Engeman Web up to 12.0.0.2

References

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