PatchTheCVECVE-2026-23489: Fields is a GLPI plugin that allows users to add custom fields on GLPI items forms
CVE-2026-23489 is a critical-severity flaw (CVSS 9.1) affecting fields. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Fields is a GLPI plugin that allows users to add custom fields on GLPI items forms. Prior to version 1.23.3, it is possible to execute arbitrary PHP code from users that are allowed to create dropdowns. This issue has been patched in version 1.23.3.
Why this priority
- Critical severity
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 77%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-03-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-23489?
fields: upgrade to 1.23.3. Exact commands for each OS are on this page.
Is CVE-2026-23489 being exploited?
CVE-2026-23489 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-2026-23489 affect?
CVE-2026-23489 affects fields. Severity is critical (CVSS 9.1). Fields is a GLPI plugin that allows users to add custom fields on GLPI items forms. Prior to version 1.23.3, it is possible to execute arbitrary PHP code from users that are allowed to create dropdowns. This issue has been patched in versio
How urgent is CVE-2026-23489?
Priority 38/100. Critical severity