How severe is CVE-2026-23489?

CVE-2026-23489 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-23489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23489?

CVE-2026-23489 affects Teclib-edition Fields. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23489?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-23489 have an EU (EUVD) identifier?

Yes. CVE-2026-23489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12456.

When was CVE-2026-23489 published?

CVE-2026-23489 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-23489

CVE-2026-23489 is a critical-severity vulnerability in Teclib-edition Fields with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12456
Weakness: CWE-20
Affected product: Teclib-edition Fields
Published: 2026-03-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-23489?: 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.
How severe is CVE-2026-23489?: CVE-2026-23489 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-23489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23489?: CVE-2026-23489 affects Teclib-edition Fields. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-23489 have an EU (EUVD) identifier?: Yes. CVE-2026-23489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12456.
When was CVE-2026-23489 published?: CVE-2026-23489 was published on 2026-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:teclib-edition:fields:*:*:*:*:*:glpi:*:*

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