How severe is CVE-2026-26027?

CVE-2026-26027 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26027?

CVE-2026-26027 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26027?

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

Does CVE-2026-26027 have an EU (EUVD) identifier?

Yes. CVE-2026-26027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19247.

When was CVE-2026-26027 published?

CVE-2026-26027 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-26027

CVE-2026-26027 is a high-severity vulnerability in Glpi-project Glpi with a CVSS 3.x base score of 7.5. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19247
Weakness: CWE-79
Affected product: Glpi-project Glpi
Published: 2026-04-06
Last modified: 2026-06-17

Description

GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, an unauthenticated user can store an XSS payload through the inventory endpoint. This vulnerability is fixed in 11.0.6.

Frequently asked questions

What is CVE-2026-26027?: GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, an unauthenticated user can store an XSS payload through the inventory endpoint. This vulnerability is fixed in 11.0.6.
How severe is CVE-2026-26027?: CVE-2026-26027 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26027?: CVE-2026-26027 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26027 have an EU (EUVD) identifier?: Yes. CVE-2026-26027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19247.
When was CVE-2026-26027 published?: CVE-2026-26027 was published on 2026-04-06 and last updated on 2026-06-17.

References

https://github.com/glpi-project/glpi/security/advisories/GHSA-chch-wcm9-f9cp

Affected products (1)

cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*

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